C222123232321333131133133313331323133313231322132313121222212231   >>    C22212323232133313113313331333132313331323132213231312122221223   <<    C222123232321333131133133313331323133313231322132313121222212233   >>      C222123232321333131133133313331323133313231322132313121222212232   >>