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

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

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

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

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