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

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

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

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

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