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

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

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

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

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