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

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

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

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

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