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

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

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

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

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