Lets say I wired all columns and rows correctly. But then I need to wire it to the controller (teensy). Smart thing to do is run continuous (column) wire top_row-bottom_row-teensy. But in that case all wires shares one channel, below bottom row. What if I wire column top_row-bottom_row, and bottom_row-teensy start from other place, like between row 2-3; Maybe seeing picture will be more clearly.
Photo explanation:
Red line - what i had in mind saying smart way, just continous wire, no cuts/extra work
Green line - how i want it to be, to avoid all whires in one place etc.
Its basic electronic thing, but i finished scool few years ago, things disappear. Same thing with rows.