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

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

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

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

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