D1212111111222331322331313223313221323132313231313113313233313133231   >>    D121211111122233132233131322331322132313231323131311331323331313323   <<    D1212111111222331322331313223313221323132313231313113313233313133233   >>      D1212111111222331322331313223313221323132313231313113313233313133232   >>