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

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

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

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

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