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