Add punctuation: Suddenly a few mice came up out of their holes in the ground in the middle of the Market place where hundreds of people dogs and horses were trampling around
A: Suddenly a few mice came up out of their holes in the ground in the middle of the Market place where hundreds of people, dogs and horses were trampling around.

Add punctuation: 13062010 NCT4 National Championships Japan Ogata ITT 30 km
A: 13/06/2010 NCT4 National Championships Japan (Ogata) I.T.T. (30 km)

Add punctuation: 2210 When they came to the region about the Jordan that is in the land of Canaan the children of Reuben and the children of Gad and the halftribe of Manasseh built there an altar by the Jordan a great altar to look at
A:
22:10 When they came to the region about the Jordan, that is in the land of Canaan, the children of Reuben and the children of Gad and the half-tribe of Manasseh built there an altar by the Jordan, a great altar to look at.