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