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