Row corrected for clarity.
4th Row: K 3, * insert needle through next st and y o, then
K 1, y o, K 1 in same sts
, sl both y o and st off needle (3 sts made), P 3, repeat from * across row, ending last repeat with K 3.
I just tried it to make sure but it means to put needle through both the next stitch and the yo you made in previous row, (treat them as one st) then, k1,yo,k1, into both sts at once and slip them off needle.
Nice stitch pattern. will have to file that one for future use.