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

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

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

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

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