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

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

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

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

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