C11111211113313112113313331333133313221333133313113313331323332131   >>    C1111121111331311211331333133313331322133313331311331333132333213   <<    C11111211113313112113313331333133313221333133313113313331323332133   >>      C11111211113313112113313331333133313221333133313113313331323332132   >>