(0 19 1)(2 20 4)(3 10 5)(6 17 8)(7 13 12)(9 15 11)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (4 7 13)
(0 19 1)(2 20 4 12 7)(3 10 5)(6 17 8)(9 15 11)(13)(14 18 16)
2: (6 17 8)
(0 19 1)(2 20 4 12 7)(3 10 5)(6)(8)(9 15 11)(13)(14 18 16)(17)
3: (3 10 5)
(0 19 1)(2 20 4 12 7)(3)(5)(6)(8)(9 15 11)(10)(13)(14 18 16)(17)
4: (2 12 7)
(0 19 1)(2)(3)(4 12 20)(5)(6)(7)(8)(9 15 11)(10)(13)(14 18 16)(17)