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

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

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

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

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