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

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

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

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

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