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

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

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

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

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