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