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

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

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

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

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