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

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

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

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

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