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

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

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

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

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