diff --git a/2015/schweikhardt/try.sh b/2015/schweikhardt/try.sh
index 02ae31192..ad513eb3b 100755
--- a/2015/schweikhardt/try.sh
+++ b/2015/schweikhardt/try.sh
@@ -20,32 +20,32 @@ echo "$ ./prog 19" 1>&2
 
 read -r -n 1 -p "Press any key to run: ./prog 2410 (space = next page, q = quit): "
 echo 1>&2
-./prog 2410 | less -EXF
+./prog 2410 | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog abfff (space = next page, q = quit): "
 echo 1>&2
-./prog abfff | less -EXF
+./prog abfff | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog 27f8cebf (space = next page, q = quit): "
 echo 1>&2
-./prog 27f8cebf | less -EXF
+./prog 27f8cebf | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog 246f8fddf (space = next page, q = quit): "
 echo 1>&2
-./prog 246f8fddf | less -EXF
+./prog 246f8fddf | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog 2e95ab51ffea9de (space = next page, q = quit): "
 echo 1>&2
-./prog 2e95ab51ffea9de | less -EXF
+./prog 2e95ab51ffea9de | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog e6a5c22fd7bde9f (space = next page, q = quit): "
 echo 1>&2
-./prog e6a5c22fd7bde9f | less -EXF
+./prog e6a5c22fd7bde9f | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog 1b7dd73a937485bf (space = next page, q = quit): "
 echo 1>&2
-./prog 1b7dd73a937485bf | less -EXF
+./prog 1b7dd73a937485bf | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog 7d3237680d190a77e53751b (space = next page, q = quit): "
 echo 1>&2
-./prog 7d3237680d190a77e53751b | less -EXF
+./prog 7d3237680d190a77e53751b | less -rEXFK
 read -r -n 1 -p "Press any key to run: ./prog 302ab3d052fb87c06228d249581be0e4 (space = next page, q = quit): "
 echo 1>&2
-./prog 302ab3d052fb87c06228d249581be0e4 | less -EXF
+./prog 302ab3d052fb87c06228d249581be0e4 | less -rEXFK
 echo 1>&2
 read -r -n 1 -p "Press any key to run ./prog with a googol (10^100) (space = next page, q = quit): "
 echo 1>&2
-./prog 1249AD2594C37CEB0B2784C4CE0BF38ACE408E211A7CAAB24308A82E8F10000000000000000000000000 | less -EXF
+./prog 1249AD2594C37CEB0B2784C4CE0BF38ACE408E211A7CAAB24308A82E8F10000000000000000000000000 | less -rEXFK