Kanjo [KNJO-4-009P]
Usowan [USOW-4-009P]
Paint Area [PARE-4-009P]
Nanro [NANR-4-009P]
Eulero [EULE-4-004P]
Kuromasu [KMAS-4-009P]
Grades [GRAD-4-004P]
Castle Wall [CAWA-4-009P]
Mirroring Tiles [MIRT-4-004P]
Renkatsu [RNKA-4-009P]
Girandola Sudoku [GIRA-4-004P]
Douieru [DOUI-4-009P]
Lighthouses [LGHT-4-009P]
Sudoku XV [SUXV-4-009P]
