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