C222123232321333131133133313331333132313231333133311212312213231321232312111   >>    C22212323232133313113313331333133313231323133313331121231221323132123231211   <<    C222123232321333131133133313331333132313231333133311212312213231321232312113   >>      C222123232321333131133133313331333132313231333133311212312213231321232312112   >>