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

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

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

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

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