block	treatment	section	lt5cm	btw5_10cm	btw10_20cm	gt20cm	dead
1	s-	B	24	103	44	11	3
1	s-	D	9	41	29	3	2
1	s+	B	12	36	23	6	0
1	s+	D	3	31	24	9	1
2	s-	B	14	11	10	1	0
2	s-	D	4	5	9	1	1
2	s+	B	65	10	7	1	0
2	s+	D	21	21	34	2	3