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