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

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

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

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

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