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