Improve scripts (and add one) of 2012/kang

The try.alt.sh uses the alt code. This helps further show how a single
letter can change so much and thus one can really appreciate the
subtlety of the entry even more. The other scripts were improved.

2012/kang/try.sh

@@ -14,20 +14,40 @@ make CC="$CC" everything >/dev/null || exit 1
 # clear screen after compilation so that only the entry is shown
 clear
 
-echo "$ echo Nineteen hundred and eighty-four | ./kang" 1>&2
+read -r -n 1 -p "Press any key to run: echo Nineteen hundred and eighty-four | ./kang # 1984: "
+echo 1>&2
 echo Nineteen hundred and eighty-four | ./kang
+echo 1>&2
 
-echo "$ echo uno | ./kang" 1>&2
+read -r -n 1 -p "Press any key to run: echo uno | ./kang # 1: "
+echo 1>&2
 echo uno | ./kang
+echo 1>&2
 
-echo "$ echo trois | ./kang" 1>&2
+read -r -n 1 -p "Press any key to run: echo trois | ./kang # 3: "
+echo 1>&2
 echo trois | ./kang
+echo 1>&2
 
-echo "$ echo fier | ./kang # notice the issue here, see alternate code instead" 1>&2
+read -r -n 1 -p "Press any key to run: echo fier | ./kang # 4, should be vier: "
+echo 1>&2
 echo fier | ./kang # notice the issue here, see alternate code instead
+echo 1>&2
 
-echo "$ echo \"shest'\" | ./kang" 1>&2
+read -r -n 1 -p "Press any key to run: echo vier | ./kang # 4: "
+echo 1>&2
+echo vier | ./kang # notice the issue here, see alternate code instead
+echo 1>&2
+echo "Note: for a version that gets this one right (breaking others" 1>&2
+echo "including fier), see the alt code." 1>&2
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: echo \"shest'\" | ./kang # 6: "
+echo 1>&2
 echo "shest'" | ./kang
+echo 1>&2
 
-echo "$ echo dos | ./kang" 1>&2
+read -r -n 1 -p "Press any key to run: echo dos | ./kang # 2: "
+echo 1>&2
 echo dos | ./kang
+echo 1>&2