OK, you should
Slip 1, k22, k2tog, place marker, k10, place marker, ssk, k23
On the next decrease row, knit to 2sts before the marker, k2tog, slip the marker, k10, slip marker, ssk, knit to the end.
Use the markers to tell you where to decrease rather than a stitch count. This should keep the decreases along a line and both the k2tog and ssk should look good. Check the ssk video under Glossary to make sure you're doing it correctly if necessary.