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