C222123232321333131133133313331323133313233311232313233232311213311211   >>    C22212323232133313113313331333132313331323331123231323323231121331121   <<    C222123232321333131133133313331323133313233311232313233232311213311213   >>      C222123232321333131133133313331323133313233311232313233232311213311212   >>