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