#! /usr/bin/sed -E -i .bak -f
s/^41_/40	/g
s/^42_/41	/g
s/^43_/42	/g
s/^44_/43	/g
s/^45_/44	/g
s/^46_/45	/g
s/^47_/46	/g
s/^48_/47	/g
s/^49_/48	/g
s/^50_/49	/g
s/^51_/50	/g
s/^52_/51	/g
s/^53_/52	/g
s/^54_/53	/g
s/^55_/54	/g
s/^56_/55	/g
s/^57_/56	/g
s/^58_/57	/g
s/^59_/58	/g
s/^60_/59	/g
s/^61_/60	/g
s/^62_/61	/g
s/^63_/62	/g
s/^64_/63	/g
s/^65_/64	/g
s/^66_/65	/g
s/^67_/66	/g