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