C222123232321333131133133313331323133313231322132313121311223213311   >>    C22212323232133313113313331333132313331323132213231312131122321331   <<    C222123232321333131133133313331323133313231322132313121311223213313   >>      C222123232321333131133133313331323133313231322132313121311223213312   >>