C222123232321333131133133313331323133313231322132313121112213111   >>    C22212323232133313113313331333132313331323132213231312111221311   <<    C222123232321333131133133313331323133313231322132313121112213113   >>      C222123232321333131133133313331323133313231322132313121112213112   >>