1 #include<iostream>
 2 #include<cstdio>
 3 #include<cstring>
 4 #include<algorithm>
 5 #include<vector>
 6 using namespace std;
 7 #define MAXN 10010
 8 vector<int>map[MAXN];
 9 int n,m,k;
10 bool mark[MAXN];
11 bool visited[111][111];
12 int ly[MAXN];
13
14 int dfs(int u) {
15     for(int i=0; i<map[u].size(); i++) {
16         int v=map[u][i];
17         if(!mark[v]) {
18             mark[v]=true;
19             if(ly[v]==-1||dfs(ly[v])) {
20                 ly[v]=u;
21                 return 1;
22             }
23         }
24     }
25     return 0;
26 }
27
28
29 int MaxMatch() {
30     int res=0;
31     memset(ly,-1,sizeof(ly));
32     for(int i=1; i<=n*m; i++) {
33         memset(mark,false,sizeof(mark));
34         res+=dfs(i);
35     }
36     return res;
37 }
38
39
40 int main() {
41   //  freopen("1.txt","r",stdin);
42     int u,v;
43     while(scanf("%d%d",&n,&m),(n+m)) {
44         for(int i=1; i<=n*m; i++)map[i].clear();
45         scanf("%d",&k);
46         memset(visited,false,sizeof(visited));
47         for(int i=1; i<=k; i++) {
48             scanf("%d%d",&u,&v);
49             visited[u][v]=true;
50         }
51         for(int i=1; i<=n; i++) {
52             for(int j=1; j<=m; j++) {
53                 if(visited[i][j])continue;
54                 if(i+1<=n&&!visited[i+1][j]) {
55                     map[(i-1)*m+j].push_back(i*m+j);
56                     map[i*m+j].push_back((i-1)*m+j);
57                 }
58                 if(j+1<=m&&!visited[i][j+1]) {
59                     map[(i-1)*m+j].push_back((i-1)*m+j+1);
60                     map[(i-1)*m+j+1].push_back((i-1)*m+j);
61                 }
62             }
63         }
64         int ans=MaxMatch();
65         printf("%d\n",ans/2);
66         for(int i=1; i<=n*m; i++) {
67             if(ly[i]!=-1&&ly[ly[i]]!=-1) {
68                 int y1=i%m;
69                 if(y1==0)y1=m;
70                 int x1=(i-y1)/m+1;
71                 int y2=ly[i]%m;
72                 if(y2==0)y2=m;
73                 int x2=(ly[i]-y2)/m+1;
74                 ly[i]=ly[ly[i]]=-1;
75                 printf("(%d,%d)--(%d,%d)\n",x1,y1,x2,y2);
76             }
77         }
78         puts("");
79     }
80     return 0;
81 }