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

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

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

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

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