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