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

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

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

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

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