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