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

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

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

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

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