diff --git a/source/net/yacy/peers/Seed.java b/source/net/yacy/peers/Seed.java
index ff5f76deb..87c3c684f 100644
--- a/source/net/yacy/peers/Seed.java
+++ b/source/net/yacy/peers/Seed.java
@@ -63,6 +63,8 @@ import net.yacy.cora.date.GenericFormatter;
 import net.yacy.cora.document.ASCII;
 import net.yacy.cora.document.UTF8;
 import net.yacy.cora.protocol.Domains;
+import net.yacy.cora.ranking.ClusteredScoreMap;
+import net.yacy.cora.ranking.ScoreMap;
 import net.yacy.kelondro.data.word.Word;
 import net.yacy.kelondro.index.HandleSet;
 import net.yacy.kelondro.order.Base64Order;
@@ -689,7 +691,7 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed> {
 
     private static byte[] bestGap(final SeedDB seedDB) {
         final byte[] randomHash = randomHash();
-        if ((seedDB == null) || (seedDB.sizeConnected() <= 2)) {
+        if (seedDB == null || seedDB.sizeConnected() <= 2) {
             // use random hash
             return randomHash;
         }
@@ -718,6 +720,10 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed> {
         byte[] combined = new byte[12];
         System.arraycopy(computedHash, 0, combined, 0, 2);
         System.arraycopy(randomHash, 2, combined, 2, 10);
+        // patch for the 'first sector' problem
+        if (combined[0] == 'A' || combined[1] == 'D') { // for some strange reason there are too many of them
+            combined[1] = randomHash[1];
+        }
         // finally check if the hash is already known
         while (seedDB.hasConnected(combined) || seedDB.hasDisconnected(combined) || seedDB.hasPotential(combined)) {
             // if we are lucky then this loop will never run
@@ -932,4 +938,17 @@ public class Seed implements Cloneable, Comparable<Seed>, Comparator<Seed> {
         return o1.compareTo(o2);
     }
 
+    public static void main(final String[] args) {
+        final ScoreMap<Integer> s = new ClusteredScoreMap<Integer>();
+        for (int i = 0; i < 10000; i++) {
+            final byte[] b = randomHash();
+            s.inc(0xff & Base64Order.enhancedCoder.decodeByte(b[0]));
+            //System.out.println(ASCII.String(b));
+        }
+        final Iterator<Integer> i = s.keys(false);
+        while (i.hasNext()) {
+            System.out.println(i.next());
+        }
+    }
+
 }
diff --git a/source/net/yacy/peers/graphics/NetworkGraph.java b/source/net/yacy/peers/graphics/NetworkGraph.java
index 3c1600664..7e332efce 100644
--- a/source/net/yacy/peers/graphics/NetworkGraph.java
+++ b/source/net/yacy/peers/graphics/NetworkGraph.java
@@ -52,6 +52,8 @@ import net.yacy.visualization.RasterPlotter;
 
 public class NetworkGraph {
 
+    private final static double DOUBLE_LONG_MAX_VALUE = Long.MAX_VALUE;
+
     private static int shortestName = 10;
     private static int longestName = 30;
 
@@ -88,8 +90,8 @@ public class NetworkGraph {
             this.color = color;
         }
 
-        public int getAngle() { return Math.round(360f*this.fraction); }
-        public int getFractionPercent() { return Math.round(100f*this.fraction); }
+        public int getAngle() { return Math.round(360.0f * this.fraction); }
+        public int getFractionPercent() { return Math.round(100.0f * this.fraction); }
         public Color getColor() { return this.color; }
         public long getExecTime() { return this.execTime; }
         public String getPieceName() { return this.pieceName; }
@@ -137,7 +139,7 @@ public class NetworkGraph {
         for (final RemoteSearch primarySearche : primarySearches) {
             if (primarySearche == null) continue;
             eventPicture.setColor((primarySearche.isAlive()) ? RasterPlotter.RED : RasterPlotter.GREEN);
-            angle = cyc + (360.0 * (((double) FlatWordPartitionScheme.std.dhtPosition(UTF8.getBytes(primarySearche.target().hash), null)) / ((double) Long.MAX_VALUE)));
+            angle = cyc + (360.0d * ((FlatWordPartitionScheme.std.dhtPosition(UTF8.getBytes(primarySearche.target().hash), null)) / DOUBLE_LONG_MAX_VALUE));
             eventPicture.arcLine(cx, cy, cr - 20, cr, angle, true, null, null, -1, -1, -1, false);
         }
 
@@ -146,7 +148,7 @@ public class NetworkGraph {
             for (final RemoteSearch secondarySearche : secondarySearches) {
                 if (secondarySearche == null) continue;
                 eventPicture.setColor((secondarySearche.isAlive()) ? RasterPlotter.RED : RasterPlotter.GREEN);
-                angle = cyc + (360.0 * (((double) FlatWordPartitionScheme.std.dhtPosition(UTF8.getBytes(secondarySearche.target().hash), null)) / ((double) Long.MAX_VALUE)));
+                angle = cyc + (360.0d * ((FlatWordPartitionScheme.std.dhtPosition(UTF8.getBytes(secondarySearche.target().hash), null)) / DOUBLE_LONG_MAX_VALUE));
                 eventPicture.arcLine(cx, cy, cr - 10, cr, angle - 1.0, true, null, null, -1, -1, -1, false);
                 eventPicture.arcLine(cx, cy, cr - 10, cr, angle + 1.0, true, null, null, -1, -1, -1, false);
             }
@@ -159,7 +161,7 @@ public class NetworkGraph {
         while (i.hasNext()) {
             final long[] positions = seedDB.scheme.dhtPositions(i.next());
             for (final long position : positions) {
-                angle = cyc + (360.0 * (((double) position) / ((double) Long.MAX_VALUE)));
+                angle = cyc + (360.0d * ((position) / DOUBLE_LONG_MAX_VALUE));
                 eventPicture.arcLine(cx, cy, cr - 20, cr, angle, true, null, null, -1, -1, -1, false);
             }
         }
@@ -207,6 +209,9 @@ public class NetworkGraph {
                 Log.logWarning("NetworkGraph", "connected seed == null");
                 continue;
             }
+            if (seed.hash.startsWith("AD")) {//temporary patch
+                continue;
+            }
             //Log.logInfo("NetworkGraph", "drawing peer " + seed.getName());
             drawNetworkPicturePeer(networkPicture, width / 2, height / 2, innerradius, outerradius, seed, COL_ACTIVE_DOT, COL_ACTIVE_LINE, COL_ACTIVE_TEXT, coronaangle, cyc);
             count++;
@@ -282,8 +287,8 @@ public class NetworkGraph {
     }
 
     private static void drawNetworkPictureDHT(final RasterPlotter img, final int centerX, final int centerY, final int innerradius, final Seed mySeed, final Seed otherSeed, final String colorLine, final int coronaangle, final boolean out, final int cyc) {
-        final int angleMy = cyc + (int) (360.0 * (((double) FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(mySeed.hash), null)) / ((double) Long.MAX_VALUE)));
-        final int angleOther = cyc + (int) (360.0 * (((double) FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(otherSeed.hash), null)) / ((double) Long.MAX_VALUE)));
+        final int angleMy = cyc + (int) (360.0d * FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(mySeed.hash), null) / DOUBLE_LONG_MAX_VALUE);
+        final int angleOther = cyc + (int) (360.0d * FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(otherSeed.hash), null) / DOUBLE_LONG_MAX_VALUE);
         // draw line
         img.arcLine(centerX, centerY, innerradius, innerradius - 20, angleMy, !out,
                 colorLine, null, 12, (coronaangle < 0) ? -1 : coronaangle / 30, 2, true);
@@ -303,11 +308,12 @@ public class NetworkGraph {
         final String name = seed.getName().toUpperCase() /*+ ":" + seed.hash + ":" + (((double) ((int) (100 * (((double) yacySeed.dhtPosition(seed.hash)) / ((double) yacySeed.maxDHTDistance))))) / 100.0)*/;
         if (name.length() < shortestName) shortestName = name.length();
         if (name.length() > longestName) longestName = name.length();
-        final double angle = cyc + (360.0d * (((double) FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(seed.hash), null)) / ((double) Long.MAX_VALUE)));
+        final double angle = cyc + (360.0d * FlatWordPartitionScheme.std.dhtPosition(ASCII.getBytes(seed.hash), null) / DOUBLE_LONG_MAX_VALUE);
         //System.out.println("Seed " + seed.hash + " has distance " + seed.dhtDistance() + ", angle = " + angle);
         int linelength = 20 + outerradius * (20 * (name.length() - shortestName) / (longestName - shortestName) + Math.abs(seed.hash.hashCode() % 20)) / 80;
         if (linelength > outerradius) linelength = outerradius;
         int dotsize = 2 + (int) (seed.getLinkCount() / 2000000L);
+        if (colorDot.equals(COL_MYPEER_DOT)) dotsize = dotsize + 4;
         if (dotsize > 18) dotsize = 18;
         // draw dot
         img.setColor(colorDot);
@@ -332,7 +338,7 @@ public class NetworkGraph {
     }
 
     private static void drawCorona(final RasterPlotter img, final int centerX, final int centerY, final int innerradius, final double angle, final int dotsize, int strength, final int coronaangle, final boolean inside, final boolean split, final int r, final int g, final int b) {
-        final double ca = Math.PI * 2.0 * (coronaangle) / 360.0;
+        final double ca = Math.PI * 2.0d * coronaangle / 360.0d;
         if (strength > 4) strength = 4;
         // draw a wave around crawling peers
         double wave;