(0 20 2)(1 8 5)(3 19 4)(6 21 17 15 13)(7 11 9)(10 14 12)(16 22 18)
ALLOWS (11/8)-SEQUENCE
1: (0 1 2)

(0)(1 20 2 8 5)(3 19 4)(6 21 17 15 13)(7 11 9)(10 14 12)(16 22 18)
2: (2 8 20)

(0)(1 20 5)(2)(3 19 4)(6 21 17 15 13)(7 11 9)(8)(10 14 12)(16 22 18)
3: (6 21 17)

(0)(1 20 5)(2)(3 19 4)(6 15 13)(7 11 9)(8)(10 14 12)(16 22 18)(17)(21)
4: (1 20 5)

(0)(1)(2)(3 19 4)(5)(6 15 13)(7 11 9)(8)(10 14 12)(16 22 18)(17)(20)(21)