C22212323232133313113313331333132313331323231323323233313112131   >>    C2221232323213331311331333133313231333132323132332323331311213   <<    C22212323232133313113313331333132313331323231323323233313112133   >>      C22212323232133313113313331333132313331323231323323233313112132   >>