#include <fstream>
#include <queue>
#include <iostream>
using namespace std;
ifstream fin("kdrum.in");
ofstream fout("kdrum.out");
int n,m,k,a[55][55],px,py,fx,fy;
int d1[4]= {1,0,-1,0};
int d2[4]= {0,1,0,-1};
queue<int> Cx,Cy,Cv,Cq;
int CMMDC(int x,int y)
{
    int r;
    while(y)
    {
        r=x%y;
        x=y;
        y=r;
    }
    return x;
}
int main()
{
    int i,j,cx,cy,cv,cq;
    fin>>n>>m>>k;
    fin>>px>>py>>fx>>fy;
    for(i=1; i<=n; i++)
        for(j=1; j<=m; j++)
            fin>>a[i][j];
    Cx.push(px);
    Cy.push(py);
    Cv.push(CMMDC(k,a[px][py]));
    Cq.push(1);
    while(Cx.front()!=fx||Cy.front()!=fy||Cv.front()%k!=0)
    {
        cx=Cx.front();
        cy=Cy.front();
        cv=Cv.front();
        cq=Cq.front();
        Cx.pop();
        Cy.pop();
        Cv.pop();
        Cq.pop();
        for(i=0; i<4; i++)
        {
            if(cx+d1[i]>=1&&cx+d1[i]<=n&&cy+d2[i]>=1&&cy+d2[i]<=m)
            {
                Cq.push(cq+1);
                Cx.push(cx+d1[i]);
                Cy.push(cy+d2[i]);
                Cv.push(cv*CMMDC(k/cv,a[cx+d1[i]][cy+d2[i]]));
            }
        }
    }
    fout<<Cq.front();
}