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

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

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

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

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