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

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

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

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

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