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

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

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

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

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