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

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

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

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

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