(0 21 19)(1 18 8 6 3)(2 5 4)(7 12 9)(10 15 11 16 13)(14 20 17)
ALLOWS (11/8)-SEQUENCE
1: (0 13 19)
(0)(1 18 8 6 3)(2 5 4)(7 12 9)(10 15 11 16 13 21 19)(14 20 17)
2: (11 21 15)
(0)(1 18 8 6 3)(2 5 4)(7 12 9)(10 15 19)(11)(13 21 16)(14 20 17)
3: (14 20 17)
(0)(1 18 8 6 3)(2 5 4)(7 12 9)(10 15 19)(11)(13 21 16)(14)(17)(20)
4: (10 15 19)
(0)(1 18 8 6 3)(2 5 4)(7 12 9)(10)(11)(13 21 16)(14)(15)(17)(19)(20)