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