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