C111123313121111121111331333133313331323132333132313232233113231   >>    C11112331312111112111133133313331333132313233313231323223311323   <<    C111123313121111121111331333133313331323132333132313232233113233   >>      C111123313121111121111331333133313331323132333132313232233113232   >>