chr7	51952076	51953695	CM036894	mSE_10426	mm9
chr7	51953701	51955042	CM036895	mSE_10426	mm9
chr7	51956012	51959319	CM036896	mSE_10426	mm9
chr7	51961860	51965485	CM036897	mSE_10426	mm9