1a: 2 move s0,r10 3 move s1,r9 4 move s1,r8 5 move s2,r7 6 move s2,r6 7 move s3,r5 8 move s3,r4 9 move s4,r3 10 move s4,r2 11 move s8,r1 12 move s9,r0 13 move s8,r15 14 move s9,r14 15 move s10,r13 16 move s15,r11 17b: 18 move r9,s0 19 move r10,s1 20 move r7,s1 21 move r8,s2 22 move r5,s2 23 move r6,s3 24 move r3,s3 25 move r4,s4 26 move r1,s4 27 move r0,s8 28 move r15,s9 29 move r2,s8 30 move r13,s9 31 move r11,s10 32 move r14,s15 33