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

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

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

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

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