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