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

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

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

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

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