C222123232321333131133133313331323133313231333133332212322132231111   >>    C22212323232133313113313331333132313331323133313333221232213223111   <<    C222123232321333131133133313331323133313231333133332212322132231113   >>      C222123232321333131133133313331323133313231333133332212322132231112   >>