C22213331333133313112331323133313331333131311331333132333232321   >>    C2221333133313331311233132313331333133313131133133313233323232   <<    C22213331333133313112331323133313331333131311331333132333232323   >>      C22213331333133313112331323133313331333131311331333132333232322   >>