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