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

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

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

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

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