C222123232321333131133133313331323133313231322132313121122112231   >>    C22212323232133313113313331333132313331323132213231312112211223   <<    C222123232321333131133133313331323133313231322132313121122112233   >>      C222123232321333131133133313331323133313231322132313121122112232   >>