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