C11111211113313112113313331333133313331333132212111133133313331323132233132331   >>    C1111121111331311211331333133313331333133313221211113313331333132313223313233   <<    C11111211113313112113313331333133313331333132212111133133313331323132233132333   >>      C11111211113313112113313331333133313331333132212111133133313331323132233132332   >>