Codes:
Level Code Level Code
----- ------ ----- ------
1-2 234667 4-1 467464
1-3 447467 4-2 818234
1-4 747822 4-3 182394
2-1 392822 4-4 298383
2-2 446364 5-1 452234
2-3 984448 5-2 984841
2-4 477444 5-3 383772
3-1 343522 5-4 093152
3-2 882311 6-1 387211
3-3 992334 6-2 981122
3-4 091332 6-3 017632
6-4 398112
