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

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

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

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

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