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

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

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

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

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