C222123232321333131133133313331323133313231322132313121112212121121   >>    C22212323232133313113313331333132313331323132213231312111221212112   <<    C222123232321333131133133313331323133313231322132313121112212121123   >>      C222123232321333131133133313331323133313231322132313121112212121122   >>