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

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

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

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

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