C222123232321333131133133313331323133313233311232313233232312213331121   >>    C22212323232133313113313331333132313331323331123231323323231221333112   <<    C222123232321333131133133313331323133313233311232313233232312213331123   >>      C222123232321333131133133313331323133313233311232313233232312213331122   >>