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

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

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

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

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