C222123232321333131133133313331323133313233311232313233232311312331   >>    C22212323232133313113313331333132313331323331123231323323231131233   <<    C222123232321333131133133313331323133313233311232313233232311312333   >>      C222123232321333131133133313331323133313233311232313233232311312332   >>