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

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

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

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

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