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

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

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

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

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