diff --git a/2008-displacement/main.c b/2008-displacement/main.c
index ddf1a7f..21100f0 100644
--- a/2008-displacement/main.c
+++ b/2008-displacement/main.c
@@ -662,12 +662,13 @@ int main(int argc, char *argv[])
             for(d = 0; d <= TOTAL; d++)
             for(e = 0; e <= TOTAL; e++)
             {
+                int a2 = a, b2 = b, c2 = c, d2 = d, e2 = e, i;
+
                 if(a + b + c + d + e != TOTAL)
                     continue;
 
                 /* Slightly shuffle our coefficients to avoid waiting until
                  * 75% progress before having an idea of what's going on. */
-                int a2 = a, b2 = b, c2 = c, d2 = d, e2 = e;
 #define SHUFFLE(p,q,n) \
     if(p+q) { int tmp = p+q; p = (p+n) % (tmp+1); q = tmp-p; }
                 SHUFFLE(c2, d2, 777); SHUFFLE(b2, d2, 555);
@@ -684,26 +685,31 @@ int main(int argc, char *argv[])
 #endif
                 /* We only want 4-cell kernels for now */
                 if(b2) continue;
-                //printf("K: %d,%d,%d,%d,%d ", a2, b2, c2, d2, e2);
-                printf("K: %d,%d,%d,%d ", a2, c2, d2, e2);
 
-                dest = ed(src, false, a2, 0,
-                          b2, c2, d2, e2, 0,
-                           0,  0,  0,  0, 0);
-                if(mode == 4)
-                {
-                    study(src, dest, 1.2, 0.001, 0., 0.);
-                }
-                else
+                for(i = 1; i <= 2; i++)
                 {
-                    tmp = gauss(src, mat);
-                    tmp2 = gauss(dest, mat);
-                    printf("E: %.5g\n", 1000. * dist(tmp, tmp2, 1.));
-                    free(tmp);
-                    free(tmp2);
+                    //printf("[%i] K: %d,%d,%d,%d,%d ", i, a2, b2, c2, d2, e2);
+                    printf("[%i] K: %d,%d,%d,%d ", i, a2, c2, d2, e2);
+
+                    dest = ed(src, i == 2, a2, 0,
+                               b2, c2, d2, e2, 0,
+                                0,  0,  0,  0, 0);
+                    if(mode == 4)
+                    {
+                        /* XXX: E_fast is meaningless, ignore it */
+                        study(src, dest, 1.2, 0.001, 0., 0.);
+                    }
+                    else
+                    {
+                        tmp = gauss(src, mat);
+                        tmp2 = gauss(dest, mat);
+                        printf("E: %.5g\n", 1000. * dist(tmp, tmp2, 1.));
+                        free(tmp);
+                        free(tmp2);
+                    }
+                    fflush(stdout);
+                    free(dest);
                 }
-                fflush(stdout);
-                free(dest);
             }
 
             free(src);
diff --git a/2008-displacement/study-4.sh b/2008-displacement/study-4.sh
new file mode 100755
index 0000000..72f3bb3
--- /dev/null
+++ b/2008-displacement/study-4.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+set -e
+
+if [ ! -x ./main ]; then
+    make main
+fi
+
+if [ "$1" = "" ]; then
+    echo "Usage: $0 <directory>"
+    exit 1
+fi
+
+if [ ! -d "$1" ]; then
+    echo "$0: $1 is not a directory"
+    exit 1
+fi
+
+find $1 -type f | while read i; do
+    OUTPUT="$(echo "$i" | tr -d / | sed 's/^[.]*//').txt"
+    echo "$0: outputting to $OUTPUT"
+
+    if [ -f "$OUTPUT" ]; then
+        echo "$0: file already exists, skipping"
+        continue
+    fi
+
+    touch "$OUTPUT"
+    ./main -4 $i | tee -a "$OUTPUT" | while read line; do
+        echo -n .
+    done
+    echo "done."
+done
+