6027 => 123457 ct-ke ✓
6449 => 345679 ct-ke ✓
5751 => 234568 ct-ke ✓
7912 => 345679 ct-ke ✓
3450 => 123457 ct-ke ✓
1431 => 456780 ct-ke ✓
6337 => 789013 ct-ke ✓
7819 => 456780 ct-ke ✓
1574 => 890124 ct-ke ✓
9841 => 123457 ct-ke ✓
8183 => 890124 ct-ke ✓
4891 => 345679 ct-ke ✓
9832 => 456780 ct-ke ✓
6768 => 678902 ct-ke ✓
7223 => 456780 ct-ke ✓
7265 => 567891 ct-ke ✓
9505 => 789013 ct-ke ✓
1799 => 123457 ct-ke ✓
2233 => 345679 ct-ke ?
============