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

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

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

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

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