from collections import deque
H,W = map(int,input().split())
gx,gy = map(int,input().split())
A = list(list(map(int,input().split()))for i in range(H))
cost = [[[[0,float('inf')]]for i in range(W)]for j in range(H)]
cost[gx-1][gy-1][-1] = [1,A[gx-1][gy-1]]
queue = deque([[gy-1,gx-1]])
while queue != deque([]):
    qx,qy = queue.popleft()
    if qx < W-1 and cost[qy][qx+1][-1][1] > cost[qy][qx][-1][1] + A[qy][qx+1]:
        cost[qy][qx+1].append([cost[qy][qx][-1][0]+1,cost[qy][qx][-1][1] + A[qy][qx+1]])
        queue.append([qx+1,qy])
    if qx > 0 and cost[qy][qx-1][-1][1] > cost[qy][qx][-1][1] + A[qy][qx-1]:
        cost[qy][qx-1].append([cost[qy][qx][-1][0]+1,cost[qy][qx][-1][1] + A[qy][qx-1]])
        queue.append([qx-1,qy])
    if qy > 0 and cost[qy-1][qx][-1][1] > cost[qy][qx][-1][1] + A[qy-1][qx]:
        cost[qy-1][qx].append([cost[qy][qx][-1][0]+1,cost[qy][qx][-1][1] + A[qy-1][qx]])
        queue.append([qx,qy-1])
    if qy < H-1 and cost[qy+1][qx][-1][1] > cost[qy][qx][-1][1] + A[qy+1][qx]:
        cost[qy+1][qx].append([cost[qy][qx][-1][0]+1,cost[qy][qx][-1][1] + A[qy+1][qx]])
        queue.append([qx,qy+1])
Q = int(input())
ans = []
for i in range(Q):
    x,y,k = map(int,input().split())
    hoge = float('inf')
    for a,b in cost[x-1][y-1]:
        hoge = min(a*k**2+b,hoge)
    ans.append(hoge)
for i in ans:
    print(i)