"block"	"srows"	"crows"	"syield"	"cyield"
"B1"	1	4	956	1444
"B1"	2	3	2144	1114
"B1"	3	2	2635	818
"B1"	4	1	3255	296
"B2"	1	4	1498	1357
"B2"	2	3	2370	1601
"B2"	3	2	3286	835
"B2"	4	1	3458	400
"B3"	1	4	1073	1444
"B3"	2	3	2261	1462
"B3"	3	2	2695	957
"B3"	4	1	3318	400
"B4"	1	4	1622	1357
"B4"	2	3	2466	1514
"B4"	3	2	3252	940
"B4"	4	1	3508	331
NA	5	0	3585	0
NA	0	5	0	1740
