diff --git a/init_empty_blocks.sh b/init_empty_blocks.sh
new file mode 100755
index 0000000..4f8d81d
--- /dev/null
+++ b/init_empty_blocks.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+#
+#  VARIABLES
+#
+export APPS_PATH=`dirname "$(readlink -f "$0")"`
+export TMP_PATH=$APPS_PATH/../tmp
+export DATA_PATH=$APPS_PATH/../data
+export FLAG_PATH=$APPS_PATH/../flags
+
+export TS=`date +%s`
+export MINUTE=`date +%M | sed 's/^0*//'`
+export DATE=`date +%Y%m%d0000`
+export DATEHOUR=`date +%Y%m%d%H`
+
+#
+# Synchronize the Blockchain
+#
+$APPS_PATH/scripts/synchronize.sh
+
+#
+# Draw the HASHES
+#
+$APPS_PATH/scripts/hashes.sh
+
+#
+# Draw the BLOCKS
+#
+$APPS_PATH/scripts/empty_blocks.sh
diff --git a/methode2/mondrian/draw.php b/methode2/mondrian/draw.php
index ff70095..12000dd 100644
--- a/methode2/mondrian/draw.php
+++ b/methode2/mondrian/draw.php
@@ -25,10 +25,10 @@ function DrawBlock($the_block, $vImage, $parametres)
   imagefilledrectangle($vImage, $x, $y, $x+$width, $y+$height, $vFgColor);
 
   $couleurs = array();
-  $couleurs[0] = imagecolorallocate($vImage, 255, 255, 255);
-  $couleurs[1] = imagecolorallocate($vImage, 255, 0, 0);
-  $couleurs[2] = imagecolorallocate($vImage, 0, 0, 255);
-  $couleurs[3] = imagecolorallocate($vImage, 255, 255, 0);
+  $couleurs[0] = imagecolorallocate($vImage, 245, 245, 240); // 255,255,255 Blanc
+  $couleurs[1] = imagecolorallocate($vImage, 155, 30, 10); // Rouge
+  $couleurs[2] = imagecolorallocate($vImage, 12, 102, 153); // Behr Mondrian Blue #0c6699
+  $couleurs[3] = imagecolorallocate($vImage, 240, 200, 5); // Jaune
  
   $full_area = $width * $height;
   if ($full_area == 0) $full_area = 1;
diff --git a/scripts/empty_blocks.sh b/scripts/empty_blocks.sh
new file mode 100755
index 0000000..75d4dc3
--- /dev/null
+++ b/scripts/empty_blocks.sh
@@ -0,0 +1,99 @@
+#!/bin/bash
+lescript=`basename $0 .sh`
+flag=$TMP_PATH/bot_$lescript.flag
+
+#
+#  TOOLS
+#
+function debug
+{
+  if [ -f $FLAG_PATH/debug ]
+  then
+    echo $1
+  fi
+}
+
+function sortie
+{
+  exit $1
+}
+
+function succes
+{
+  debug "SUCCES"
+  sortie 0
+}
+
+function echec
+{
+  debug "ECHEC"
+  exit 1
+}
+
+#
+# PARAMETRES PAR FICHIER FLAGS
+#
+if [ -f $FLAG_PATH/no_blocks ]
+then
+  debug "No blocks"
+  echec
+fi
+
+while IFS='' read -r line || [[ -n "$line" ]]; do
+
+  NAME=`echo $line | awk '{print $1}'`
+  BLOCK=`echo $line | awk '{print $2}'`
+  HEIGHT=`echo $line | awk '{print $3}'`
+  NBTX=`echo $line | awk '{print $4}'`
+
+  #
+  # TEST DU FLAG
+  #
+  flag=$FLAG_PATH/bot_${lescript}_${BLOCK}.flag
+  if [ -f $flag ]
+  then
+    debug "${lescript}_${BLOCK} already done"
+    continue
+  fi
+  touch $flag
+
+  #
+  # POUR CHAQUE METHODE2
+  #
+  LISTE_METHODE=`ls $APPS_PATH/methode2 | grep -v robot | shuf `
+
+  cd $APPS_PATH/methode2
+  for METHODE in $LISTE_METHODE
+  do
+    if [ ! -d $DATA_PATH/$METHODE ]
+    then
+      mkdir -p $DATA_PATH/$METHODE
+    fi
+    echo $BLOCK $NAME $METHODE
+    if [ ! -f $DATA_PATH/$METHODE/$BLOCK.png ]
+    then
+      echo Drawing $BLOCK $METHODE
+      php robot.php $METHODE $BLOCK $((RANDOM % 6)) $2
+      cp $DATA_PATH/last/$BLOCK.png $DATA_PATH/$METHODE/$BLOCK.png
+    fi
+  done
+  cd - >> /dev/null
+
+  if [ ! -f $DATA_PATH/hasard/$BLOCK.png ]
+  then
+    cp $DATA_PATH/last/$BLOCK.png $DATA_PATH/hasard/$BLOCK.png
+  fi
+
+  if [ ! -f $DATA_PATH/nonce/$BLOCK.png ]
+  then
+    cp $DATA_PATH/hasard/$BLOCK.png $DATA_PATH/nonce/$BLOCK.png
+  fi
+
+  rm -f $flag
+
+done < $DATA_PATH/emptybot/list.txt
+
+#
+# SORTIE AVEC SUCCES
+#
+succes
diff --git a/scripts/known_blocks.sh b/scripts/known_blocks.sh
index 1c4c1ad..ca7fbc6 100755
--- a/scripts/known_blocks.sh
+++ b/scripts/known_blocks.sh
@@ -84,6 +84,11 @@ while IFS='' read -r line || [[ -n "$line" ]]; do
     cp $DATA_PATH/last/$BLOCK.png $DATA_PATH/hasard/$BLOCK.png
   fi
 
+  if [ ! -f $DATA_PATH/nonce/$BLOCK.png ]
+  then
+    cp $DATA_PATH/hasard/$BLOCK.png $DATA_PATH/nonce/$BLOCK.png
+  fi
+
   rm -f $flag
 
 done < $DATA_PATH/block_list.txt