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

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

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

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

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