C11111211113313112113313331333133313221333133313113313331322331333132222331   >>    C1111121111331311211331333133313331322133313331311331333132233133313222233   <<    C11111211113313112113313331333133313221333133313113313331322331333132222333   >>      C11111211113313112113313331333133313221333133313113313331322331333132222332   >>