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