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

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

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

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

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