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