diff --git a/Makefile b/Makefile
index 52820db..f410968 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,11 @@ LFLAGS = -lSDL2 -lSDL2_image -lm -lncurses
 
 all: bin/back
 
-test: bin/back
-	bin/back
+test0: bin/back
+	bin/back templates.txt 47
+
+test1: bin/back
+	bin/back templates_lv2.txt 49
 
 bin/back: obj/main.o obj/generation.o obj/display.o obj/base.o obj/hash.o obj/move.o
 	mkdir -p bin
diff --git a/bin/back b/bin/back
index 39a460a..f25716c 100755
Binary files a/bin/back and b/bin/back differ
diff --git a/src/base.c b/src/base.c
index 471a869..aba5b62 100644
--- a/src/base.c
+++ b/src/base.c
@@ -99,6 +99,17 @@ int line_count(char* filename) {
     return (n+1);
 }
 
+int str_to_int(char* s) {
+    int res = 0 ;
+    int i = 0 ;
+    while(s[i] != '\0' && is_an_integer(s[i])) {
+        res *= 10 ;
+        res += (int)s[i] - 48 ;
+        i++;
+    };
+    return res;
+}
+
 int get_integer(FILE* ptr) {
     char c = fgetc(ptr);
 
diff --git a/src/base.h b/src/base.h
index 701fdde..c693eb7 100644
--- a/src/base.h
+++ b/src/base.h
@@ -25,6 +25,8 @@ double distance_pt(int x1, int x2, int y1, int y2);
 
 int line_count(char* filename);
 
+int str_to_int(char* s);
+
 int get_integer(FILE* ptr);
 
 int get_integer_plus_align(FILE* ptr, FILE* ptr2);
diff --git a/src/display.c b/src/display.c
index 9153fe5..ff17c0c 100644
--- a/src/display.c
+++ b/src/display.c
@@ -139,9 +139,6 @@ void drawStringToRenderer(SDL_Renderer* renderer, imgs data, char* s, int X, int
 void drawChunkToRenderer(SDL_Renderer* renderer, chunk* ch, int xmin, int xmax, int ymin, int ymax) {
     if(ch->draw_id != draw_par) {
         ch->draw_id = draw_par ;
-        //printf("[DDDDD] chunk (%d, %d) has signature : \n", ch.chx, ch.chy);
-        //signature(ch.chdata);
-        //printf("\n");
         for(int i = 0; i < 8; i++) {
             uint8_t cur = ch->chdata.lines[i] ;
             for(int j = 0; j < 8; j++) {
@@ -150,13 +147,16 @@ void drawChunkToRenderer(SDL_Renderer* renderer, chunk* ch, int xmin, int xmax,
                 int cux2 = 50*(8*ch->chx + j+1);
                 int cuy2 = 50*(8*ch->chy + i+1);
                 if(true) {
-                //if(cux - 50/zoom > xmin || cux - 50/zoom < xmax || cuy > ymin || cuy < ymax) {
                     if(cur%2 == 1) {
                         int nxmin = to_int((to_double(cux) - to_double(xmin)) * to_double(__width__)) / (to_double(xmax) - to_double(xmin)) ;
                         int nymin = to_int((to_double(cuy) - to_double(ymin)) * to_double(__height__)) / (to_double(ymax) - to_double(ymin)) ;
                         int nxmin2 = to_int((to_double(cux2) - to_double(xmin)) * to_double(__width__)) / (to_double(xmax) - to_double(xmin)) ;
                         int nymin2 = to_int((to_double(cuy2) - to_double(ymin)) * to_double(__height__)) / (to_double(ymax) - to_double(ymin)) ;
-                        placeRectToRenderer(renderer, nxmin, nymin, nxmin2 - nxmin, nymin2 - nymin, 255, 255, 255, SDL_ALPHA_OPAQUE);
+                        if(abs(ch->chx + ch->chy)%2 == 0) {
+                            placeRectToRenderer(renderer, nxmin, nymin, nxmin2 - nxmin, nymin2 - nymin, 255, 192, 192, SDL_ALPHA_OPAQUE);
+                        } else {
+                            placeRectToRenderer(renderer, nxmin, nymin, nxmin2 - nxmin, nymin2 - nymin, 192, 192, 255, SDL_ALPHA_OPAQUE);
+                        }
                     };
                     cur = cur / 2 ;
                 }
diff --git a/src/generation.c b/src/generation.c
index 82d6ef2..9cdd6a4 100644
--- a/src/generation.c
+++ b/src/generation.c
@@ -215,7 +215,8 @@ void generate_chunk_all(int cx, int cy) {
             }
         }
     };
-    //printf("\ngenerating %d\n", idx);
+    //printf("generating %d at (%d, %d)...\n", idx, cx, cy);
+    //print_template(idx);
     generate_chunk(cx, cy, idx);
 }
 
@@ -250,10 +251,10 @@ void parse_one(FILE* ptr, FILE* ptr2, int index) {
             configs[index].lines[i] *= 2 ;
             configs[index].lines[i] += xres ;
 
-            if(j == 0) {
+            if(j == 7) {
                 configs[index].westsig *= 2;
                 configs[index].westsig += xres;
-            } else if(j == 7) {
+            } else if(j == 0) {
                 configs[index].eastsig *= 2;
                 configs[index].eastsig += xres;
             }
diff --git a/src/main.c b/src/main.c
index 4aab574..98bedf3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -19,6 +19,15 @@
 #include "move.h"
 
 int main(int argc, char** argv) {
+
+    if(argc != 3) {
+        fprintf(stderr, "usage : bin/back <template_pool> <n_templates>\n");
+        exit(1);
+    };
+
+    char* filename = argv[1];
+    int length = str_to_int(argv[2]);
+
     srand(time(NULL));
 
     //-------------------------------------------------------------------------------//
@@ -43,13 +52,16 @@ int main(int argc, char** argv) {
 
     /* -------------------------------------------------------- */
     //one_debug();
-    parse_configs("templates.txt", 47);
+    parse_configs(filename, length);
 
     initialize(rend);
 
-    //print_template(1);
-    //rotateTemplateClockWise(1);
-    //print_template(1);
+    int temp = render_distance ;
+    for(int i = 1; i <= temp; i++) {
+        printf("%d/%d\n", i, temp);
+        render_distance = i ;
+        drawMapToRenderer(rend, -300 * 250/zoom + to_int(50 * (8*player_cx + player_x + εx)), 300 * 250/zoom + to_int(50 * (8*player_cx + player_x + εx)), -300 * 250/zoom + to_int(50 * (8*player_cy + player_y + εy)), 300 * 250/zoom + to_int(50 * (8*player_cy + player_y + εy)));
+    };
 
     moveFunctionMaster(rend);
 
@@ -61,5 +73,7 @@ int main(int argc, char** argv) {
     SDL_DestroyWindow(win);
     SDL_Quit();
 
+    /* -------------------------------------------------------- */
+
     return 0;
 }
\ No newline at end of file
diff --git a/templates_lv2.txt b/templates_lv2.txt
new file mode 100644
index 0000000..ab1a6b9
--- /dev/null
+++ b/templates_lv2.txt
@@ -0,0 +1,442 @@
+1 1 1 1 1 1 1 1
+1 0 0 0 0 0 0 1
+1 0 1 1 1 1 0 1
+1 0 1 0 0 1 0 1
+1 0 1 0 0 1 0 1
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+1 1 1 0 1 1 1 1
+0 0 0 0 0 0 0 0
+1 1 1 1 1 1 1 1
+
+$
\ No newline at end of file