C222123232321333131133133313331323133313231322132313121212313322331   >>    C22212323232133313113313331333132313331323132213231312121231332233   <<    C222123232321333131133133313331323133313231322132313121212313322333   >>      C222123232321333131133133313331323133313231322132313121212313322332   >>