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