C1111133313331323223313331333133313112331323331323133313233113313331323231   >>    C111113331333132322331333133313331311233132333132313331323311331333132323   <<    C1111133313331323223313331333133313112331323331323133313233113313331323233   >>      C1111133313331323223313331333133313112331323331323133313233113313331323232   >>