srav r21 0000000000000000 000000000000000F 000000000000000F
srav r21 0000000000000001 000000000000000F 0000000000000007
srav r21 0000000000000002 000000000000000F 0000000000000003
srav r21 0000000000000003 000000000000000F 0000000000000001
srav r21 0000000000000000 0000000000000001 0000000000000001
srav r21 0000000000000001 0000000000000001 0000000000000000
srav r21 0000000000000002 0000000000000001 0000000000000000
srav r21 0000000000000003 0000000000000001 0000000000000000