/+ dub.sdl:
    name "C"
    dependency "dcomp" version=">=0.6.0"
+/

import std.stdio, std.algorithm, std.range, std.conv;
// import dcomp.foundation, dcomp.scanner;

int main() {
    auto sc = new Scanner(stdin);
    int n, m, q;
    sc.read(n, m, q);

    int Y = n*2 - 1;
    int X = m*2 - 1;

    int[][] mp = new int[][](Y, X);
    foreach (i; 0..n) {
        string s;
        sc.read(s);
        foreach (j; 0..m) {
            mp[i*2][j*2] = s[j] - '0';
        }
    }

    foreach (i; 0..Y) {
        foreach (j; 0..X) {
            if (i % 2 && j % 2) continue;
            if (i % 2 == 0 && j % 2 == 0) continue;
            if (i % 2 == 1) {
                if (mp[i-1][j] && mp[i+1][j]) mp[i][j] = -1;
            }
            if (j % 2 == 1) {
                if (mp[i][j-1] && mp[i][j+1]) mp[i][j] = -1;
            }
        }
    }

    int[][] sm = new int[][](Y+1, X+1);
    foreach (i; 0..Y) {
        foreach (j; 0..X) {
            sm[i+1][j+1] = sm[i][j+1] + sm[i+1][j] + mp[i][j] - sm[i][j];
        }
    }

    foreach (i; 0..q) {
        int y1, x1, y2, x2;
        sc.read(y1, x1, y2, x2);
        y1 = (y1-1)*2;
        x1 = (x1-1)*2;
        y2 = (y2-1)*2 + 1;
        x2 = (x2-1)*2 + 1;
        writeln(sm[y2][x2] - sm[y1][x2] - sm[y2][x1] + sm[y1][x1]);
    }
    return 0;
}
/* IMPORT /home/yosupo/Program/dcomp/source/dcomp/foundation.d */
// module dcomp.foundation;
 
static if (__VERSION__ <= 2070) {
    template fold(fun...) if (fun.length >= 1) {
        auto fold(R, S...)(R r, S seed) {
            import std.algorithm : reduce;
            static if (S.length < 2) {
                return reduce!fun(seed, r);
            } else {
                import std.typecons : tuple;
                return reduce!fun(tuple(seed), r);
            }
        }
    }
     
}
version (X86) static if (__VERSION__ < 2071) {
    import core.bitop : bsf, bsr, popcnt;
    int bsf(ulong v) {
        foreach (i; 0..64) {
            if (v & (1UL << i)) return i;
        }
        return -1;
    }
    int bsr(ulong v) {
        foreach_reverse (i; 0..64) {
            if (v & (1UL << i)) return i;
        }
        return -1;   
    }
    int popcnt(ulong v) {
        int c = 0;
        foreach (i; 0..64) {
            if (v & (1UL << i)) c++;
        }
        return c;
    }
}
/* IMPORT /home/yosupo/Program/dcomp/source/dcomp/scanner.d */
// module dcomp.scanner;

class Scanner {
    import std.stdio : File;
    import std.conv : to;
    import std.range : front, popFront, array, ElementType;
    import std.array : split;
    import std.traits : isSomeChar, isStaticArray, isArray; 
    import std.algorithm : map;
    File f;
    this(File f) {
        this.f = f;
    }
    char[512] lineBuf;
    char[] line;
    private bool succ() {
        import std.range.primitives : empty, front, popFront;
        import std.ascii : isWhite;
        while (true) {
            while (!line.empty && line.front.isWhite) {
                line.popFront;
            }
            if (!line.empty) break;
            if (f.eof) return false;
            line = lineBuf[];
            f.readln(line);
        }
        return true;
    }

    private bool readSingle(T)(ref T x) {
        import std.algorithm : findSplitBefore;
        import std.string : strip;
        import std.conv : parse;
        if (!succ()) return false;
        static if (isArray!T) {
            alias E = ElementType!T;
            static if (isSomeChar!E) {
                 
                 
                auto r = line.findSplitBefore(" ");
                x = r[0].strip.dup;
                line = r[1];
            } else {
                auto buf = line.split.map!(to!E).array;
                static if (isStaticArray!T) {
                     
                    assert(buf.length == T.length);
                }
                x = buf;
                line.length = 0;
            }
        } else {
            x = line.parse!T;
        }
        return true;
    }
    int read(T, Args...)(ref T x, auto ref Args args) {
        if (!readSingle(x)) return 0;
        static if (args.length == 0) {
            return 1;
        } else {
            return 1 + read(args);
        }
    }
}



 

 


Measured memory_bytes: 132604