--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test-data/column_join_in1.pileup	Tue Apr 01 09:30:45 2014 -0400
@@ -0,0 +1,30 @@
+chrM	1	A	G	25	0	25	1	^:.	I
+chrM	2	C	T	25	0	25	2	.N	I$
+chrM	3	T	G	27	0	25	2	..	II
+chrM	4	G	C	36	0	25	3	.^:.^:.	II+
+chrM	5	T	A	38	0	25	3	...	III
+chrM	6	T	A	39	0	25	4	.N..	I$II
+chrM	7	G	C	43	0	25	5	...^:.^:.	IIIII
+chrM	8	A	C	46	0	25	6	.....^:.	IIIIII
+chrM	9	T	G	53	0	25	8	..G...^:.^:.	IIIII$II
+chrM	10	T	G	56	0	25	9	........^:.	IIIIIIIII
+chrM	11	C	G	57	0	25	10	.........^:.	IIIIIIIIII
+chrM	12	T	C	61	0	25	11	..........^:.	IIIIIIIIIII
+chrM	13	T	G	79	0	25	15	.........^:.^:.^:.^:.^:.^:.	IIIIIIIIIIII#II
+chrM	14	A	C	58	0	25	18	.......G.........^:.	BIIIIIII+IIIIIIIII
+chrM	15	G	A	87	0	25	19	..N...............^:.^:.	DIIIIII$(IIIIIIIIIII
+chrM	16	G	C	88	0	25	20	.........N..........	IIIIIIIIIIIIIIIIIIII
+chrM	17	A	C	88	0	25	20	.........G..........	9IIIIIIIIIIIIIIIIIII
+chrM	18	G	A	89	0	25	20	...A................	@IIIIIIIIIIIIIIIIIII
+chrM	19	G	T	58	0	25	20	....T.............GG	IIIIIIIIIIIIIIIIII'A
+chrM	20	T	C	55	0	25	20	.........C........C.	IIIIIIIIIIIIIII2II#$
+chrM	21	C	T	87	0	25	20	..........G.........	IIIIIIIIIIIIIIIIIIII
+chrM	22	C	A	87	0	25	20	..........N.........	IIIIIIIIIIIIIIAIIIII
+chrM	23	A	G	87	0	25	20	.....T..............	9IIIIIIIIII0IIIIIIII
+chrM	24	A	T	89	0	25	20	.....N..N...........	III$IIII"IIIIICII#II
+chrM	25	G	A	57	0	25	21	...A................^:.	A@.$IIIIIIIFIIIIIIIII
+chrM	26	C	G	58	0	25	22	...N....A.............	IIHIDII&IIIIII@IIIIII
+chrM	27	T	A	99	0	25	23	....................^:.^:.^:.	IE8IFIII9IIIIIIIIIIIIII
+chrM	28	A	C	99	0	25	24	..G.....................	1FIIIIIIIIIIIIIIIIDEIIII
+chrM	29	G	C	58	0	25	25	........C.........NN....	;IIIIII+HII=III$III""IIII
+chrM	30	T	T	65	0	25	25	...C....................^:.	;I?&IAI0IIIIIIIIIIIIIIIII