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