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