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