C222123232321333131133133313331323133313231322132313121112211231   >>    C22212323232133313113313331333132313331323132213231312111221123   <<    C222123232321333131133133313331323133313231322132313121112211233   >>      C222123232321333131133133313331323133313231322132313121112211232   >>