digraph world { size="7,7"; {rank=same; S8 S24 S1 S35 S30;} {rank=same; T8 T24 T1 T35 T30;} {rank=same; 43 37 36 10 2;} {rank=same; 25 9 38 40 13 17 12 18;} {rank=same; 26 42 11 3 33 19 39 14 16;} {rank=same; 4 31 34 21 41 28 20;} {rank=same; 27 5 22 32 29 15;} {rank=same; 6 23;} {rank=same; 7;} S8 -> 9; S24 -> 25; S24 -> 27; S1 -> 2; S1 -> 10; S35 -> 43; S35 -> 36; S30 -> 31; S30 -> 33; 9 -> 42; 9 -> T1; 25 -> T1; 25 -> 26; 27 -> T24; 2 -> {3 ; 16 ; 17 ; T1 ; 18} 10 -> { 11 ; 14 ; T1 ; 13; 12;} 31 -> T1; 31 -> 32; 33 -> T30; 33 -> 34; 42 -> 4; 26 -> 4; 3 -> 4; 16 -> 15; 17 -> 19; 18 -> 29; 11 -> 4; 14 -> 15; 37 -> {39 ; 41 ; 38 ; 40;} 13 -> 19; 12 -> 29; 43 -> 38; 43 -> 40; 36 -> 19; 32 -> 23; 34 -> 29; 39 -> 15; 41 -> 29; 38 -> 4; 40 -> 19; 4 -> 5; 19 -> {21 ; 20 ; 28;} 5 -> {6 ; T35 ; 23;} 21 -> 22; 20 -> 15; 28 -> 29; 6 -> 7; 15 -> T1; 22 -> T35; 22 -> 23; 29 -> T30; 7 -> T8; 23 -> T24; 23 -> T1; }