I shoulda kept the spare on the four. (c:
The choice is between 6/5 6/1 (where 66 55 44 33 65 64 63 62 54 53 52 all force me to leave a shot) or 5/off 5/4 (where 66 55 44 61 51 force a shot) - seems pretty clear, especially since this move takes a checker off.
5/off 5/4.