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

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

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

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

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