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

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

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

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

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