a:
 move s0,r10
 move s1,r9
 move s1,r8
 move s2,r7
 move s2,r6
 move s3,r5
 move s3,r4
 move s4,r3
 move s4,r2
 move s8,r1
 move s9,r0
 move s8,r15
 move s9,r14
 move s10,r13
 move s15,r11
b:
 move r9,s0
 move r10,s1
 move r7,s1
 move r8,s2
 move r5,s2
 move r6,s3
 move r3,s3
 move r4,s4
 move r1,s4
 move r0,s8
 move r15,s9
 move r2,s8
 move r13,s9
 move r11,s10
 move r14,s15