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