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

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

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

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

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