Here is a subset of the label reference map, containing only those labels that show a significant clustering of their references.
The rows were manually sorted so as to bring together labels that have similar-looking distributions. (I should have written a program to do that...)
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fffffffffffffffffffffffffffffffffffffffffffffffffffffffffff111111111111111111111111111111111111
fffff11112222333334444444555556677777777778888888888888888889999000000000000000000001111111111111111
1247915791357024580134679145786855667788990001223344555678990457012334445556677788891122233344455566
rvvrrrrrrrvrvrrrvrrvrrrvvvrvvvvrvvrvrvrvrvrvvrrvrvrvrrvvrvvvvrvrvrrrvrrvrvvrvrvvrvvrvvrrvrrvrrvrvvrv
...............................2....................1223..211.2..23.................................
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LABEL DEFINED NREFS AVG DEV REFERENCES PER BLOCK
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Poro f66r 131 98 59.9 25.8 .1..1.1.1111..211.1....11.111131..........2.211...1..233..1.1241.2.1.32114714.224111..1.5.1132.1...1
oHcco8o f67r1 133 229 43.3 30.2 33363961661.42325311151735234442......1..1...1.1.11.3.31624343564624.13.182331.1512.3.11.12711.22111
oHoHo f67r1 133 47 31.1 27.2 1..23131.11.2...21...3.213121.11.......1...4.....1....1..................1.1.1..........1.........3.
8ccoe f68r2 138 48 33.1 27.1 2.2112111112..2.2....11121..2111....1.1..1...11........11...1.....11..12.1...1...1........1.....1...
cco8or f68r2 138 131 48.0 30.7 5215142.122.3.2..22112..333.2.12........11....1..2113...5..443423121112.33.533....1.21.1..13.31.5..1
oHccco8o f68r2 138 65 48.1 31.3 1.1211..1.2.311...11..111133.12..........3...1......3...12..2....1..2...3.11.3...1.....11.1112.3.2..
oHccor f68r2 138 260 41.4 33.3 16256998946359418312.53113251..11..1.11.1..2.1132..211..41.541442291212..4.326.2.143212162233.3374.1
oHocco f68r2 138 80 25.1 28.3 511.299.34.151.122.114..211221.....1.....1............11....1...1....11......1...1....1...1..1.12.1.
occoro f68r2 138 77 47.3 32.6 3.314.1.4.1.1..32....1.223....1.....1.1.........2...1211.1111.212.22.11.1..2.1...1.1.1.13112.21.2.1.
oHoecco f70v1 150 102 38.2 29.0 32.2262.33.122.1..12.51124213225...1....1...21..21....13.2.2...121.....21111113..11...1.2.1.1.11.1.1
oHorccor f71v 152 24 38.6 32.3 ...111211..1.1...........12111........................11..1.....................11........3.1.......
oHccocco f72r1 153 86 32.1 30.2 .2154.515513511.211.12221..61..1.........1...1......11.....111.113.21......12.......1.....21....1211
ccoror f72r2 154 133 56.0 30.1 21..1.311.13131521.211..1.115.12.1.1....1..1..11...223.213141..31.42.31.72.521313.111..11.332122731.
oHccoro f72r2 154 116 55.2 32.0 .2.13341212122..2.1..2.1.1111..11..1.11....1.1.31..211..2..32..31.51.12..4.225.1.132.11152212.2252.1
oHok f72r2 154 152 49.9 30.7 .25....2213.1.64.36.4214.7413.1121....1..1....11....21392..4.21.11.1122124123..121222.1216213111.215
oroe8 f88r 197 55 39.1 25.6 ..1.1..1.121..22212.1.1..12142212......1...1....1..1..2.211....1.11......1111......1...1....12......
orok f88r 197 143 58.0 29.7 .21.2.132.1.1..3115112112.1151.33........1.....1..112174..11.221112211321.423114.2612.26232421214.22
cccocHco f88v 198 56 43.4 31.9 21123.1..2111......1.112..122112............1........1..12.2222...1...1....1.1.1........1..21.1.3.1.
oHcccco f89r1 199 62 53.2 31.2 11.2..1..1.2.1212..11..2...3...1.2.......1...........111....2..111...21141.2..2..11.112.4.21...12...
oHcor f100r 227 127 53.2 27.7 1111.12412..1431.11112..11..3.11.22..1..1.....1..11..2..4424.13433931211...22112213.311.412..1.2..11
oHoe8o f67r1 133 180 33.7 23.1 64114.43854.1.5.3322253114614433571...922232421521211.2.11.32324.11.1.11..3....1..2......1...211..1.
oHo8o f70v2 149 195 36.8 28.1 7452745.433231316423543.4832116.13.21..2.1.23....113124723235611.322..22..1..2..1...1..2...222.2.132
oe8or f88r 197 143 34.7 25.7 4215414651521.4323.1241122..123222..11511111.3.22..1.22153312411313.1.1...4.1................13.1.1.
o8oro f89r2 200 199 47.5 28.5 4211422432221124.442511.3311143.511..233.12...11.1533443813424242311.1..163823...1..31.1.2.2.621611.
rr f89v1 202 92 48.7 30.5 2...3.121.4613..21....11.1111.111.1.11..2............3..21224.322431..21..112..1...1.1..1.2.2.1.1123
oHccoe f100v 228 333 46.7 32.2 372488395993623.33.3191346.9.112123111131.52.125.1...2112.1173.58422891614.4.2518293592.22836..12254
oHo8oe f68v3 140 22 35.9 25.2 ..1.....111....11..1.3.....11......1...1...1.....1.1..1.1..............1....................2.......
ooPcco f68v2 141 27 35.3 26.8 1....11.11311...1....2....1...1....1....1..........1..1.....1..1...1..1....21..1....................
oHoeo8o f71v 152 21 32.4 19.3 .......1111......1...12.....5.....1..1.2......................21.............1......................
occo8o8o f72r1 153 5 25.9 34.7 ....111............1.........................................................................1......
ccoer f100v 228 65 42.4 26.7 .423.1..1122....1..1.1...21.11.1..11....12....111...11..324.21124.1.112.1.1....1.1...............11.
oPccor f100v 228 37 34.6 30.8 .21..211.22111..2.1..4.3..............................12.............11111.1...........1..11....1...
oHororo f67r1 133 71 58.8 30.4 .....1........1.116.1.132.5..2.1........2............112.....23.11....231...11.11111...11..242.2.422
ccoHoro f89v2 201 49 54.6 29.6 .2..1.1.......1.11111..11..13..........1.12...........12..1..11...1...4.1.11.22..11...1..1.221.1.1..
cccHcco f70v2 149 133 51.9 28.5 1.1..1.3.1..16112221211.113.33.6..2252.1211.1..23.2.21..31..11125131213.1..........4634222411..11.23
oHoror f100v 228 99 57.3 29.9 .....1..1.....13118.12132.5.12.1........2..1.........433..1..23.111...233..122.12111...11..242.21632
oHcoeo f70v2 149 81 57.4 24.8 1.............2111.12115..1.1.11...1....11.111......21....3.2.185342.1.1.11.....12412.1111.111..2..1
roroe f66r 131 149 61.2 25.6 ..........1..1.2112.2.1.224.54.112.2221111.2341.1.22.21232.1.2.2411..32332431253212...13311561114323
cc8or f68r2 138 327 62.0 25.6 .......1...5.323.43.2.631.1..4128527446521313269726689221..1.52..1.433965466261266673333544227996873
oHcc8o f68v2 141 896 59.4 25.1 .....1.1...826.9.38791899251238299999969899599999999995341..1961.1.999996999797399999949996969999997
oHomo f72r1 153 558 61.3 25.1 111.2.41.44..23.159.3212811911114938324659999639642438991.3..89.2..11929739989999642.59984199999.168
omoeo f72r2 154 109 59.4 27.4 1....1...23......13..1..2...1..113212.11143524.2111.11.1.....212...111.1.12.13311311.4.32311431...16
oeHor f100v 228 126 61.8 22.7 1...........1.2...1...112.1131.11.22....2123311.211.14941..1.32.11.4.12113617.2611...322.113411..321
cccoroe f68r2 138 64 57.6 22.0 .......1...........1....3....1.11.13111111112211121..1..12..1.1.212.11121...311.1..2..12..1.2..1..2.
oHoeor f70v2 149 42 46.5 23.6 11.................11.......4511.2.....13.12221......1.........1.1.1.....11...1....2....2.1..1......
oHoeoe f70v1 150 67 50.5 21.4 .......1..2......1111......141..21...1.113.442.212212.3...11...31.1.111.....1.14.2........11......2.
oHcc8oe f72r1 153 76 62.5 23.5 .......1...............1......1.311244.2121..13321..........12.....112.11211.2..124231.5.1.1..1..321
omoro f72r2 154 116 64.6 24.0 .......111....21.22.....2.2.1.1...1......222111.1..1.1761111..2..41..13.36433234.221.21115.1422221.2
roeoe f72r2 154 53 57.4 24.3 ..........1....1........2...22.11111...121.3111..12..4......1..1.1....1...1.1.12121.1112....1...1.21
oHcco8or f67r1 133 30 41.4 30.7 2..1.2..12..1.....1..1..1.1.1..1.........1........1.....1..1112.1........1.1........1......2.......1
oHo8or f67r1 133 24 35.0 27.0 2..12.1...1.....1...1.1..2...11...................1.....11.211.1......1...........................1.
oHoccor f68r2 138 14 32.6 35.7 11...11.11.....11.......11............................1......................................1..1.1.
oHoe8or f70v2 149 30 33.7 22.9 .1..1.122.....1..2.1.1.......1..12....5....1.1..1.....1.....11........1...1...................1.....
oecPco f71v 152 17 22.0 23.2 11..24.1.....1...........3........................1.............3...................................
oHo8oro f88v 198 14 33.4 28.4 1...2.1...1.........1....1...11.........................11.1...1..................................1.
oHom8om f89r1 199 20 28.6 28.9 .12.2....12...2.1.1........1......1....1.....1.............1..1...............................1...1.
8orcco8o f89v1 202 17 30.0 28.5 4....1....11..1.......2......1..........................2...2.1................................1....
oHocHco f89v1 202 8 24.0 23.6 .1...11.1............1.1.....................................1.1....................................
rorccor f100r 227 10 21.6 24.5 .1.2..1..1.....11.....1.........................................1.......1...........................
oHoeok f72r1 153 6 36.8 26.2 .1........................111........................1.............................1................
oHoero f89r2 200 23 52.3 23.2 ..1..........................212.....11.11...1.......2..11.11.......1.........1.1.1...........1...1.
oeorom f101v1 232 44 58.0 25.4 ...............1..1.4..2....211.1.......1...2.......2.1........1211.12...11.212.111..1.11..12.....1.
8oeoro f67r1 133 29 48.7 24.6 ..........1......13....21...2..........1.11........1312.1........1...1....1..1....1....1.....1....1.
ororoeo f68v2 141 45 68.3 22.8 .................11.....1....2.1.1..........11....1..1111....1.11....1112.2...41112...1.2.122...211.
oHoecc8o f71r 151 33 54.3 25.2 ..............1..23...1...1....1..1.1.....1..1......11.1.....4......11......23.1.3..........1.....1.
oHomoHom f72r1 153 79 58.4 24.4 ......2......11..22.....1..3.....212.1..12.311.111...166.....1..1....3.32..212421.1...132..23.12....
oorom f89r2 200 71 58.4 25.9 .1..1...1.....21.12...1...111.1....2....111..1....1.3328.1..11....11.1314..1....111.2..132212......3
ro8or f89r2 200 22 53.7 19.7 ...............11........11..1.......1..............22.11..2......1.....3.2..2......................
8cc8o f100v 228 33 50.4 28.1 .........1.1.....3.211.....1......1.11.12.....1...1.111......11.........11........1.1....1...32.....
8oHor f100v 228 40 45.8 25.4 ...11.1.........113.1.2.2.....22.1.........2..11..1...11......3........11.4111..1.....11............
8oero f100v 228 17 47.8 29.9 .1...........1.11..1.....1..........111.................11..1............1..........1....1..11......
oeoror f100v 228 29 63.9 27.5 .......1.........11.........3....1.1...............1.1..1......1..1.1.11......111.1.2.1....1....4.1.
oHorcccHo f88r 197 12 33.4 15.1 ..............21...........112...1.........1.......2.........1......................................
roe8ok f89r1 199 5 30.1 13.8 ...............1.........11..1.......................1..............................................
roero f100v 228 25 53.8 25.4 ..1.......1..............11........211..1.....12.1......11...21.........2..1...............1....111.
roeP f66r 131 21 62.1 21.1 ..........1.............1...............1...12.......1.2......1.....1....23.11........1.....11......
oHorok f72r2 154 16 70.9 25.5 ..................2......................1............11......1...............11..1...111..11...1..1
cccoro8 f67r1 133 10 40.2 26.1 ..11..............1......1.1...............................1....1.21................................
oHccoror f67r1 133 22 65.5 26.2 ....1.......11.............................1.......11..........11.11.11..1..11....1....11..11..11...
rccoor f67r1 133 7 41.2 29.3 .....2........1........................................1.........11........1........................
roromr f67r1 133 2 75.0 14.5 ........................................................................1....1......................
o8r f68r2 138 16 46.5 32.3 ...11.11...1.....1............1...............................2..11.......2..1...1...............1..
oPccco8o f68r2 138 15 46.4 28.2 .........1...1.........11..11.11...1.......................1......1.........1........1.....11.......
cccHoe f68v2 141 34 48.0 26.1 ..............12....1.11.11...43.1.1.1.1...1.1....1.....1.......1.......1...2......12....111....1...
oHco8oer f68v2 141 2 58.5 14.4 ........................................................1...1.......................................
oHcoroe f70v2 149 9 61.6 19.4 .............1....................................1...........11..2...1........1.1..................
oHoe8oe f70v2 149 33 38.9 23.6 31....1.......1..........12.2.11.2....31.1..1.13..1........1..11....1.....1..............1.....1....
oHoeom f70v2 149 14 72.4 14.6 .....................................................1.1.....122....1.......1..1.1.....1..........11
oHoeoror f70v2 149 4 38.5 16.2 ............................2....1.............................1....................................
roeoer f70v2 149 3 46.8 13.6 .......................................11...................1.......................................
oHcccc8o f70v1 150 20 77.3 18.7 .......................1.....................1..1...................1..21..1......11221.....1.1.3...
oHcoeor f71r 151 16 59.4 26.5 ...............1....1.......1.1....1.......1...................13..1...............11......1....2...
oHoeoeo f71r 151 12 48.9 19.5 ..........1.................1...1........2.11..................11.1...1........1....................
oHorom f71v 152 50 60.8 27.0 .1..1....11....11...1.1....1........3......1....1.....13.1...3.2.11..11.2.11122.112.2...1....11..121
oHccooro f72r1 153 8 72.0 26.6 ...............................1..1...............1....................................11..11......1
rororo f88r 197 49 54.3 25.5 ......2......1.11...2..1.1..2..1.......1131..2....22.2.1......2.1.1..12.5.1.1.........111...11.1.1.1
cccor8o f88v 198 6 16.0 11.4 ....1....1...11.1....................1..............................................................
oHoHoe f88v 198 9 43.5 26.6 ....1....................2.....1.......1...1.....1.......................1........................1.
qHoe f89r1 199 2 65.0 14.4 ...............................................................1..1.................................
Horomo f89r2 200 30 57.6 31.3 ....1....1....11..3...1...........1.2......1..........11.......1.1...1..1.......111.1...21..111...11
oHoeoroe f89r2 200 6 51.3 21.8 .............................11..............11..................1........................1.........
oPcccor f89r2 200 13 66.4 30.6 ......1............1.1.................................1..1................1...11..........21..2....
oPccorom f89r2 200 3 61.5 12.8 .......................................................2.................1..........................
oHorcco8o f89v2 201 8 47.8 25.8 .......1...............1.....1.......................1.2....1...................................1...
oPcco8oo f89v2 201 3 29.5 24.1 ..........1......1..........................................1.......................................
oorcccor f89v2 201 7 65.2 24.4 ..........................1.............1..................1....1..........1................1....1..
ccoerom f100r 227 21 52.0 21.4 .1........1..............11........1....11..........1...1.4....11.1.11....1....1.1..................
roPoe f100r 227 3 69.2 16.3 ..................................................1..........................1.1....................
oHcccor f100v 228 36 53.3 31.1 ..11...1.1...2.....1.2.1.1.1............1.1.2..1....1.......1.11..1.....13....1.....1.....212..1.11.
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