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