#readMat["(i,j->2i+1,2i+j)"]
#readMat["(i,j->2i,2i+j)"]
M 2
3 3
2 0 0 
2 1 0
0 0 1
3 3
2 0 0
2 1 0
0 0 1
#readDom["{i,j| 1<= i,j<=10}"]
#readDom["{i,j| 1<= i,j<=10}"]
D 2
4 4
	  1 1 0 -1
          1 0 1 -1
          1 -1 0 10
          1 0 -1 10
D 2
 4 4
 	  1 1 0 -5
          1 0 1 -5
          1 -1 0 15
          1 0 -1 15
F 8



