diff --git a/src/routing4SITA b/src/routing4SITA
new file mode 100755
index 0000000..95e560b
Binary files /dev/null and b/src/routing4SITA differ
diff --git a/src/routing4SITA.c b/src/routing4SITA.c
new file mode 100644
index 0000000..7b6069a
--- /dev/null
+++ b/src/routing4SITA.c
@@ -0,0 +1,79 @@
+ 
+#include <stdio.h>
+
+#include "routing4SITA.h"
+
+int main() {
+    printf("hello world!\n");
+    
+    NODE_t end;
+    end.id = 8;
+    end.nodescount = 0;
+
+    NODE_t g;
+    g.id = 7;
+    g.nodescount = 0;
+    
+    NODE_t f;
+    f.id = 6;
+    f.nodescount = 1;
+    f.nodesnext[0] = &end;
+    f.nodescost[0] = 7;
+    
+    NODE_t e;
+    e.id = 5;
+    e.nodescount = 0;
+    
+    NODE_t d;
+    d.id = 4;
+    d.nodescount = 0;
+
+    NODE_t c;
+    c.id = 3;
+    c.nodescount = 1;
+    c.nodesnext[0] = &end;
+    c.nodescost[0] = 3;
+
+    NODE_t b;
+    b.id = 2;
+    b.nodescount = 3;
+    b.nodesnext[0] = &e;
+    b.nodescost[0] = 11;
+    b.nodesnext[1] = &f;
+    b.nodescost[1] = 42;
+    b.nodesnext[2] = &g;
+    b.nodescost[2] = 8;
+    
+    NODE_t a;
+    b.id = 1;
+    b.nodescount = 2;
+    b.nodesnext[0] = &c;
+    b.nodescost[0] = 15;
+    b.nodesnext[1] = &d;
+    b.nodescost[1] = 27;
+    
+    NODE_t start;
+    b.id = 0;
+    b.nodescount = 2;
+    b.nodesnext[0] = &a;
+    b.nodescost[0] = 72;
+    b.nodesnext[1] = &b;
+    b.nodescost[1] = 32;
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    return 0;
+}
diff --git a/src/routing4SITA.h b/src/routing4SITA.h
new file mode 100644
index 0000000..7f8fdec
--- /dev/null
+++ b/src/routing4SITA.h
@@ -0,0 +1,31 @@
+#ifndef ROUTING4SITA_H
+#define ROUTING4SITA_H 
+
+
+#define MAX_CHILDREN 3
+
+
+typedef struct node NODE_t;
+
+struct node {
+  int id;  
+  int nodescount;
+  NODE_t* nodesnext[MAX_CHILDREN];
+  int nodescost[MAX_CHILDREN];
+};
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#endif /* ROUTING4SITA_H */