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

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

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

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

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