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