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