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