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