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