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

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

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

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

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