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

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

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

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

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