C22212323232133313113313331333132313331323231323323233311112331   >>    C2221232323213331311331333133313231333132323132332323331111233   <<    C22212323232133313113313331333132313331323231323323233311112333   >>      C22212323232133313113313331333132313331323231323323233311112332   >>