# This is example bed12.  It uses the following features:  
#   - It has chr X
#   - Score of 0 and of 1000 line 2 and 1
#   - Strand of '.' 
#   - 0 RGB 
#   - First block sizes missing final comma
chr5	131346229	132145236	5C_299_ENm002_FOR_241.5C_299_ENm002_REV_33	1000	+	131346229	132145236	0	2	2609,2105	0,796902,
chr21	34920867	34949753	5C_302_ENm005_FOR_322.5C_302_ENm005_REV_314	0	-	34920867	34949753	0	2	6696,2456,	0,26430,
chr7	115811046	116454408	5C_298_ENm001_FOR_2.5C_298_ENm001_REV_203	1000	.	115811046	116454408	0	2	6294,19679,	0,623683,
chr7	116568602	116765597	5C_298_ENm001_FOR_246.5C_298_ENm001_REV_305	1000	.	116568602	116765597	0	2	5728,10635,	0,186360,
chr11	5619995	5707362	5C_306_ENm009_FOR_265.5C_306_ENm009_REV_284	1000	.	5619995	5707362	0	2	2493,7048,	0,80319,
chr11	5619995	5732713	5C_306_ENm009_FOR_265.5C_306_ENm009_REV_290	1000	.	5619995	5732713	0	2	2493,11657,	0,101061,
chr22	32061138	32343477	5C_301_ENm004_FOR_38.5C_301_ENm004_REV_90	1000	.	32061138	32343477	0	2	3310,579,	0,281760,
chrX	153771683	153886134	5C_303_ENm006_FOR_122.5C_303_ENm006_REV_103	1000	.	153771683	153886134	0	2	7888,3146,	0,111305,
chr11	116737744	116948154	5C_300_ENm003_FOR_129.5C_300_ENm003_REV_79	1000	.	116737744	116948154	0	2	19431,3147,	0,207263,
chr16	231771	394890	5C_305_ENm008_FOR_54.5C_305_ENm008_REV_34	1000	.	231771	394890	0	2	14224,2780,	0,160339,
chr5	131346229	132146235	5C_299_ENm002_FOR_242.5C_299_ENm002_REV_33	1000	.	131346229	132146235	0	2	2609,999,	0,799007,
chr16	263354	394890	5C_305_ENm008_FOR_54.5C_305_ENm008_REV_38	1000	.	263354	394890	0	2	14449,2780,	0,128756,
chr11	5619995	5718134	5C_306_ENm009_FOR_265.5C_306_ENm009_REV_287	1000	.	5619995	5718134	0	2	2493,3669,	0,94470,
chr7	126203116	126885902	5C_311_ENm014_FOR_26.5C_311_ENm014_REV_279	1000	.	126203116	126885902	0	2	4847,5398,	0,677388,
chr16	252186	394890	5C_305_ENm008_FOR_54.5C_305_ENm008_REV_37	1000	.	252186	394890	0	2	11168,2780,	0,139924,
chr7	115847372	116459849	5C_298_ENm001_FOR_204.5C_298_ENm001_REV_10	1000	.	115847372	116459849	0	2	9726,5441,	0,607036,
chr7	116619447	116765597	5C_298_ENm001_FOR_258.5C_298_ENm001_REV_305	1000	.	116619447	116765597	0	2	6029,10635,	0,135515,
chr16	164689	394890	5C_305_ENm008_FOR_54.5C_305_ENm008_REV_26	1000	.	164689	394890	0	2	5151,2780,	0,227421,
chr7	115890993	116459849	5C_298_ENm001_FOR_204.5C_298_ENm001_REV_17	1000	.	115890993	116459849	0	2	1273,5441,	0,563415,
chrX	153771683	153886134	5C_303_ENm006_FOR_122.5C_303_ENm006_REV_103	1000	.	153771683	153886134	0	2	7888,3146,	0,111305,
chrX	153625659	153730954	5C_303_ENm006_FOR_99.5C_303_ENm006_REV_85	1000	.	153625659	153730954	0	2	9726,10961,	0,94334,
chrX	153348234	153635385	5C_303_ENm006_FOR_44.5C_303_ENm006_REV_85	871	.	153348234	153635385	0	2	4984,9726,	0,277425,
chrX	153152778	153635385	5C_303_ENm006_FOR_8.5C_303_ENm006_REV_85	617	.	153152778	153635385	0	2	2115,9726,	0,472881,
chrX	153625659	154056925	5C_303_ENm006_FOR_174.5C_303_ENm006_REV_85	579	.	153625659	154056925	0	2	9726,3821,	0,427445,
chrX	153614328	153755323	5C_303_ENm006_FOR_84.5C_303_ENm006_REV_101	567	.	153614328	153755323	0	2	11331,19034,	0,121961,
chrX	153989469	154056925	5C_303_ENm006_FOR_174.5C_303_ENm006_REV_153	564	.	153989469	154056925	0	2	5247,3821,	0,63635,
chrX	153614328	153681712	5C_303_ENm006_FOR_84.5C_303_ENm006_REV_94	543	.	153614328	153681712	0	2	11331,4829,	0,62555,
chrX	153348234	153552005	5C_303_ENm006_FOR_44.5C_303_ENm006_REV_77	536	.	153348234	153552005	0	2	4984,14482,	0,189289,
chrX	153348234	153681712	5C_303_ENm006_FOR_44.5C_303_ENm006_REV_94	536	.	153348234	153681712	0	2	4984,4829,	0,328649,