... byL1,7L1,8L1,9L1,10L1,11L2,7L2,8L2,9L2,10L2,11L3,7L3,8L3,9L3,10L3,11L4,7L4,8L4,9L4,10L4,11L 5, 7L 5, 8L 5, 9L 5, 10L 5, 11=319 456 25 236423 157 6 25 2364319 456 3723644 45 9 456 23394 355 9 456 25 236487 157 6 53 394977882339423 157 6 52 9236430439 456 53 3944 45 9 456 25 2364111679 456 52 9236487 157 6372364319 456 =1 ... possibilities:r1r3|r2 45 → 4 5 |r1r2r3 −r1r2|r3 45 −r2r3|r 154 13|2r4r 5 →r4r 5| 123 −12|3r4r 5 − 23|1r 5 r41r3|r2r 45 →r 45| 1r2r3 −1r2|r3r 45 −r2r3| 15 r4r13|r24r 5 ... byL1,7L1,8L1,9L1,10L1,11L2,7L2,8L2,9L2,10L2,11L3,7L3,8L3,9L3,10L3,11L4,7L4,8L4,9L4,10L4,11L 5, 7L 5, 8L 5, 9L 5, 10L 5, 11=319 456 25 236423 157 6 25 2364319 456 3723644 45 9 456 23394 355 9 456 25 236487 157 6 53 394977882339423 157 6 52 9236430439 456 53 3944 45 9 456 25 2364111679 456 52 9236487 157 6372364319 456 =1 −1 1 −1 1−31 24 −16 8 −1361 −208 81 −16 1−20 15 888 −208 24 −1 52 97 −20 15 361 −31 1−1.We...