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