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

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

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

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

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