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