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