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

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

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

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

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