let dist[1, 1] := 8;
let dist[1, 2] := 8;
let dist[1, 3] := 15;
let dist[1, 4] := 7;
let dist[1, 5] := 11;
let dist[1, 6] := 17;
let dist[1, 7] := 8;
let dist[1, 8] := 3;
let dist[1, 9] := 4;
let dist[1, 10] := 11;
let dist[1, 11] := 9;
let dist[1, 12] := 6;
let dist[1, 13] := 2;
let dist[1, 14] := 7;
let dist[1, 15] := 15;
let dist[1, 16] := 6;
let dist[1, 17] := 16;
let dist[1, 18] := 5;
let dist[1, 19] := 9;
let dist[1, 20] := 14;
let dist[2, 1] := 16;
let dist[2, 2] := 17;
let dist[2, 3] := 13;
let dist[2, 4] := 16;
let dist[2, 5] := 15;
let dist[2, 6] := 17;
let dist[2, 7] := 12;
let dist[2, 8] := 11;
let dist[2, 9] := 7;
let dist[2, 10] := 8;
let dist[2, 11] := 13;
let dist[2, 12] := 3;
let dist[2, 13] := 7;
let dist[2, 14] := 15;
let dist[2, 15] := 9;
let dist[2, 16] := 8;
let dist[2, 17] := 16;
let dist[2, 18] := 18;
let dist[2, 19] := 7;
let dist[2, 20] := 5;
let dist[3, 1] := 16;
let dist[3, 2] := 4;
let dist[3, 3] := 1;
let dist[3, 4] := 9;
let dist[3, 5] := 17;
let dist[3, 6] := 11;
let dist[3, 7] := 18;
let dist[3, 8] := 2;
let dist[3, 9] := 16;
let dist[3, 10] := 13;
let dist[3, 11] := 6;
let dist[3, 12] := 5;
let dist[3, 13] := 2;
let dist[3, 14] := 7;
let dist[3, 15] := 18;
let dist[3, 16] := 16;
let dist[3, 17] := 19;
let dist[3, 18] := 14;
let dist[3, 19] := 14;
let dist[3, 20] := 9;
let dist[4, 1] := 9;
let dist[4, 2] := 9;
let dist[4, 3] := 7;
let dist[4, 4] := 12;
let dist[4, 5] := 16;
let dist[4, 6] := 12;
let dist[4, 7] := 3;
let dist[4, 8] := 5;
let dist[4, 9] := 16;
let dist[4, 10] := 18;
let dist[4, 11] := 10;
let dist[4, 12] := 7;
let dist[4, 13] := 6;
let dist[4, 14] := 12;
let dist[4, 15] := 4;
let dist[4, 16] := 5;
let dist[4, 17] := 14;
let dist[4, 18] := 11;
let dist[4, 19] := 5;
let dist[4, 20] := 5;
let dist[5, 1] := 5;
let dist[5, 2] := 2;
let dist[5, 3] := 16;
let dist[5, 4] := 18;
let dist[5, 5] := 15;
let dist[5, 6] := 15;
let dist[5, 7] := 8;
let dist[5, 8] := 10;
let dist[5, 9] := 15;
let dist[5, 10] := 18;
let dist[5, 11] := 10;
let dist[5, 12] := 7;
let dist[5, 13] := 2;
let dist[5, 14] := 1;
let dist[5, 15] := 15;
let dist[5, 16] := 17;
let dist[5, 17] := 2;
let dist[5, 18] := 15;
let dist[5, 19] := 9;
let dist[5, 20] := 6;
let dist[6, 1] := 9;
let dist[6, 2] := 7;
let dist[6, 3] := 11;
let dist[6, 4] := 10;
let dist[6, 5] := 12;
let dist[6, 6] := 6;
let dist[6, 7] := 10;
let dist[6, 8] := 1;
let dist[6, 9] := 5;
let dist[6, 10] := 20;
let dist[6, 11] := 19;
let dist[6, 12] := 12;
let dist[6, 13] := 13;
let dist[6, 14] := 1;
let dist[6, 15] := 19;
let dist[6, 16] := 16;
let dist[6, 17] := 17;
let dist[6, 18] := 20;
let dist[6, 19] := 16;
let dist[6, 20] := 2;
let dist[7, 1] := 15;
let dist[7, 2] := 7;
let dist[7, 3] := 3;
let dist[7, 4] := 15;
let dist[7, 5] := 20;
let dist[7, 6] := 5;
let dist[7, 7] := 10;
let dist[7, 8] := 4;
let dist[7, 9] := 20;
let dist[7, 10] := 13;
let dist[7, 11] := 5;
let dist[7, 12] := 11;
let dist[7, 13] := 20;
let dist[7, 14] := 16;
let dist[7, 15] := 13;
let dist[7, 16] := 4;
let dist[7, 17] := 7;
let dist[7, 18] := 11;
let dist[7, 19] := 13;
let dist[7, 20] := 17;
let dist[8, 1] := 11;
let dist[8, 2] := 16;
let dist[8, 3] := 19;
let dist[8, 4] := 15;
let dist[8, 5] := 12;
let dist[8, 6] := 12;
let dist[8, 7] := 10;
let dist[8, 8] := 9;
let dist[8, 9] := 1;
let dist[8, 10] := 15;
let dist[8, 11] := 17;
let dist[8, 12] := 17;
let dist[8, 13] := 18;
let dist[8, 14] := 17;
let dist[8, 15] := 9;
let dist[8, 16] := 12;
let dist[8, 17] := 9;
let dist[8, 18] := 4;
let dist[8, 19] := 17;
let dist[8, 20] := 3;
let dist[9, 1] := 2;
let dist[9, 2] := 5;
let dist[9, 3] := 16;
let dist[9, 4] := 14;
let dist[9, 5] := 5;
let dist[9, 6] := 3;
let dist[9, 7] := 16;
let dist[9, 8] := 7;
let dist[9, 9] := 3;
let dist[9, 10] := 2;
let dist[9, 11] := 1;
let dist[9, 12] := 3;
let dist[9, 13] := 20;
let dist[9, 14] := 16;
let dist[9, 15] := 14;
let dist[9, 16] := 9;
let dist[9, 17] := 10;
let dist[9, 18] := 18;
let dist[9, 19] := 20;
let dist[9, 20] := 8;
let dist[10, 1] := 9;
let dist[10, 2] := 4;
let dist[10, 3] := 20;
let dist[10, 4] := 2;
let dist[10, 5] := 11;
let dist[10, 6] := 19;
let dist[10, 7] := 5;
let dist[10, 8] := 3;
let dist[10, 9] := 11;
let dist[10, 10] := 2;
let dist[10, 11] := 13;
let dist[10, 12] := 20;
let dist[10, 13] := 17;
let dist[10, 14] := 5;
let dist[10, 15] := 12;
let dist[10, 16] := 17;
let dist[10, 17] := 17;
let dist[10, 18] := 9;
let dist[10, 19] := 5;
let dist[10, 20] := 4;
let dist[11, 1] := 5;
let dist[11, 2] := 14;
let dist[11, 3] := 7;
let dist[11, 4] := 14;
let dist[11, 5] := 3;
let dist[11, 6] := 13;
let dist[11, 7] := 1;
let dist[11, 8] := 13;
let dist[11, 9] := 17;
let dist[11, 10] := 6;
let dist[11, 11] := 18;
let dist[11, 12] := 18;
let dist[11, 13] := 16;
let dist[11, 14] := 15;
let dist[11, 15] := 18;
let dist[11, 16] := 19;
let dist[11, 17] := 15;
let dist[11, 18] := 12;
let dist[11, 19] := 9;
let dist[11, 20] := 4;
let dist[12, 1] := 14;
let dist[12, 2] := 2;
let dist[12, 3] := 17;
let dist[12, 4] := 8;
let dist[12, 5] := 11;
let dist[12, 6] := 16;
let dist[12, 7] := 7;
let dist[12, 8] := 12;
let dist[12, 9] := 12;
let dist[12, 10] := 6;
let dist[12, 11] := 13;
let dist[12, 12] := 12;
let dist[12, 13] := 6;
let dist[12, 14] := 18;
let dist[12, 15] := 3;
let dist[12, 16] := 7;
let dist[12, 17] := 3;
let dist[12, 18] := 1;
let dist[12, 19] := 7;
let dist[12, 20] := 17;
let dist[13, 1] := 8;
let dist[13, 2] := 10;
let dist[13, 3] := 8;
let dist[13, 4] := 13;
let dist[13, 5] := 15;
let dist[13, 6] := 20;
let dist[13, 7] := 2;
let dist[13, 8] := 11;
let dist[13, 9] := 9;
let dist[13, 10] := 1;
let dist[13, 11] := 4;
let dist[13, 12] := 14;
let dist[13, 13] := 1;
let dist[13, 14] := 19;
let dist[13, 15] := 15;
let dist[13, 16] := 13;
let dist[13, 17] := 18;
let dist[13, 18] := 16;
let dist[13, 19] := 10;
let dist[13, 20] := 2;
let dist[14, 1] := 16;
let dist[14, 2] := 2;
let dist[14, 3] := 14;
let dist[14, 4] := 3;
let dist[14, 5] := 11;
let dist[14, 6] := 17;
let dist[14, 7] := 7;
let dist[14, 8] := 6;
let dist[14, 9] := 4;
let dist[14, 10] := 2;
let dist[14, 11] := 3;
let dist[14, 12] := 8;
let dist[14, 13] := 20;
let dist[14, 14] := 8;
let dist[14, 15] := 7;
let dist[14, 16] := 12;
let dist[14, 17] := 1;
let dist[14, 18] := 4;
let dist[14, 19] := 20;
let dist[14, 20] := 10;
let dist[15, 1] := 5;
let dist[15, 2] := 19;
let dist[15, 3] := 10;
let dist[15, 4] := 18;
let dist[15, 5] := 6;
let dist[15, 6] := 18;
let dist[15, 7] := 2;
let dist[15, 8] := 11;
let dist[15, 9] := 6;
let dist[15, 10] := 18;
let dist[15, 11] := 11;
let dist[15, 12] := 18;
let dist[15, 13] := 13;
let dist[15, 14] := 7;
let dist[15, 15] := 18;
let dist[15, 16] := 15;
let dist[15, 17] := 3;
let dist[15, 18] := 10;
let dist[15, 19] := 20;
let dist[15, 20] := 7;
let dist[16, 1] := 16;
let dist[16, 2] := 19;
let dist[16, 3] := 12;
let dist[16, 4] := 19;
let dist[16, 5] := 15;
let dist[16, 6] := 12;
let dist[16, 7] := 14;
let dist[16, 8] := 8;
let dist[16, 9] := 7;
let dist[16, 10] := 11;
let dist[16, 11] := 4;
let dist[16, 12] := 13;
let dist[16, 13] := 19;
let dist[16, 14] := 12;
let dist[16, 15] := 14;
let dist[16, 16] := 13;
let dist[16, 17] := 3;
let dist[16, 18] := 7;
let dist[16, 19] := 8;
let dist[16, 20] := 20;
let dist[17, 1] := 4;
let dist[17, 2] := 4;
let dist[17, 3] := 15;
let dist[17, 4] := 5;
let dist[17, 5] := 16;
let dist[17, 6] := 14;
let dist[17, 7] := 18;
let dist[17, 8] := 11;
let dist[17, 9] := 18;
let dist[17, 10] := 20;
let dist[17, 11] := 19;
let dist[17, 12] := 18;
let dist[17, 13] := 18;
let dist[17, 14] := 4;
let dist[17, 15] := 3;
let dist[17, 16] := 20;
let dist[17, 17] := 5;
let dist[17, 18] := 18;
let dist[17, 19] := 18;
let dist[17, 20] := 1;
let dist[18, 1] := 19;
let dist[18, 2] := 6;
let dist[18, 3] := 2;
let dist[18, 4] := 15;
let dist[18, 5] := 20;
let dist[18, 6] := 3;
let dist[18, 7] := 13;
let dist[18, 8] := 7;
let dist[18, 9] := 10;
let dist[18, 10] := 17;
let dist[18, 11] := 12;
let dist[18, 12] := 11;
let dist[18, 13] := 10;
let dist[18, 14] := 19;
let dist[18, 15] := 6;
let dist[18, 16] := 2;
let dist[18, 17] := 2;
let dist[18, 18] := 19;
let dist[18, 19] := 15;
let dist[18, 20] := 1;
let dist[19, 1] := 16;
let dist[19, 2] := 16;
let dist[19, 3] := 3;
let dist[19, 4] := 7;
let dist[19, 5] := 6;
let dist[19, 6] := 12;
let dist[19, 7] := 6;
let dist[19, 8] := 3;
let dist[19, 9] := 2;
let dist[19, 10] := 1;
let dist[19, 11] := 11;
let dist[19, 12] := 8;
let dist[19, 13] := 13;
let dist[19, 14] := 16;
let dist[19, 15] := 14;
let dist[19, 16] := 5;
let dist[19, 17] := 20;
let dist[19, 18] := 20;
let dist[19, 19] := 10;
let dist[19, 20] := 3;
let dist[20, 1] := 3;
let dist[20, 2] := 14;
let dist[20, 3] := 13;
let dist[20, 4] := 20;
let dist[20, 5] := 20;
let dist[20, 6] := 2;
let dist[20, 7] := 7;
let dist[20, 8] := 14;
let dist[20, 9] := 2;
let dist[20, 10] := 6;
let dist[20, 11] := 2;
let dist[20, 12] := 19;
let dist[20, 13] := 20;
let dist[20, 14] := 20;
let dist[20, 15] := 14;
let dist[20, 16] := 7;
let dist[20, 17] := 7;
let dist[20, 18] := 5;
let dist[20, 19] := 15;
let dist[20, 20] := 18;
