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

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

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

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

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