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

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

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

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

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