C222123232321333131133133313331323132313331323112331233233223111   >>    C22212323232133313113313331333132313231333132311233123323322311   <<    C222123232321333131133133313331323132313331323112331233233223113   >>      C222123232321333131133133313331323132313331323112331233233223112   >>