(0 17 1)(2 11 8 6 4)(3 21 5)(7 12 9)(10 15 13)(14 18 16)(19 22 20)
ALLOWS (11/8)-SEQUENCE
1: (2 4 8)

(0 17 1)(2 6 4 11 8)(3 21 5)(7 12 9)(10 15 13)(14 18 16)(19 22 20)
2: (3 21 5)

(0 17 1)(2 6 4 11 8)(3)(5)(7 12 9)(10 15 13)(14 18 16)(19 22 20)(21)
3: (4 11 6)

(0 17 1)(2 6 8)(3)(4)(5)(7 12 9)(10 15 13)(11)(14 18 16)(19 22 20)(21)
4: (7 12 9)

(0 17 1)(2 6 8)(3)(4)(5)(7)(9)(10 15 13)(11)(12)(14 18 16)(19 22 20)(21)