C222123232321333131133133313331333132313231333133311212312213122223111   >>    C22212323232133313113313331333133313231323133313331121231221312222311   <<    C222123232321333131133133313331333132313231333133311212312213122223113   >>      C222123232321333131133133313331333132313231333133311212312213122223112   >>