let dist[1,1]:=99;
let dist[1,2]:=2;
let dist[1,3]:=3;
let dist[1,4]:=1;
let dist[1,5]:=99;
let dist[1,6]:=99;
let dist[2,1]:=99;
let dist[2,2]:=99;
let dist[2,3]:=99;
let dist[2,4]:=2;
let dist[2,5]:=2;
let dist[2,6]:=4;
let dist[3,1]:=3;
let dist[3,2]:=99;
let dist[3,3]:=99;
let dist[3,4]:=2;
let dist[3,5]:=2;
let dist[3,6]:=99;
let dist[4,1]:=1;
let dist[4,2]:=2;
let dist[4,3]:=99;
let dist[4,4]:=99;
let dist[4,5]:=99;
let dist[4,6]:=99;
let dist[5,1]:=99;
let dist[5,2]:=99;
let dist[5,3]:=2;
let dist[5,4]:=2;
let dist[5,5]:=99;
let dist[5,6]:=1;
let dist[6,1]:=99;
let dist[6,2]:=4;
let dist[6,3]:=3;
let dist[6,4]:=99;
let dist[6,5]:=1;
let dist[6,6]:=99;