C222123232321333131133133313331323133313231322132313121212331313111   >>    C22212323232133313113313331333132313331323132213231312121233131311   <<    C222123232321333131133133313331323133313231322132313121212331313113   >>      C222123232321333131133133313331323133313231322132313121212331313112   >>