I233231323331311331313232233132211233131323223313231322133313231231231   >>    I23323132333131133131323223313221123313132322331323132213331323123123   <<    I233231323331311331313232233132211233131323223313231322133313231231233   >>      I233231323331311331313232233132211233131323223313231322133313231231232   >>