D23312331311331313231323131111233132322132322331323223311231231   >>    D2331233131133131323132313111123313232213232233132322331123123   <<    D23312331311331313231323131111233132322132322331323223311231233   >>      D23312331311331313231323131111233132322132322331323223311231232   >>