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