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