Steps to recreate:
[LIST=1]
[*]check Etc->Options->Toggles->Show Misaligns
[*]Open the original 1stClassic.qst zelda 1 quest in the editor (download https://www.purezc.net/forums/index.php?showtopic=74096)
[*]Navigate to map 1 screen 0x2F (47)
[*]Observe a misalign shown at tile position 166. Similarly, this misalign is also visible on screen 0x3F (63) tile position 6
[/LIST]