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

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

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

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

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