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