C222123232321333131133133313331323132313331323112331231121233121221   >>    C22212323232133313113313331333132313231333132311233123112123312122   <<    C222123232321333131133133313331323132313331323112331231121233121223   >>      C222123232321333131133133313331323132313331323112331231121233121222   >>