V-representation
begin
8 7 integer 
1 0 0 0 0 0 0
1 0 1 1 1 1 0 
1 0 0 1 0 1 1 
1 1 0 0 1 1 0 
1 1 1 1 0 0 0 
1 0 1 0 1 0 1 
1 1 1 0 0 1 1 
1 1 0 1 1 0 1 
end