C222123232321333131133133313331323133313233311232313233232112211331121231   >>    C22212323232133313113313331333132313331323331123231323323211221133112123   <<    C222123232321333131133133313331323133313233311232313233232112211331121233   >>      C222123232321333131133133313331323133313233311232313233232112211331121232   >>