Correction for my screwed up instructions.
You will lose one block per row pair.
Jumper from in front of the last block slot in row 1 to the front of row 2 (won’t let you jumper from the end of row 1.
Do the same from row 3 to row 4 and then make the normal audio connection from row 2 to row 3 with signal routing at the end of row 2.