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

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

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

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

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