C11111211113313112113313331333133313221333133313113313331322333132211   >>    C1111121111331311211331333133313331322133313331311331333132233313221   <<    C11111211113313112113313331333133313221333133313113313331322333132213   >>      C11111211113313112113313331333133313221333133313113313331322333132212   >>