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