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

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

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

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

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