We don't know what Operating System of shell you have.
One idea is to extract the name of the low-level directory and use it as a temporary prefix while we sort.

Also, your "find" needs a start directory parameter. I have used "." in this example. Because I have used ":" as a delimiter this script will not work if a directory name contains a colon.

Code:

#!/bin/ksh
(
find . -type d -name "TC_[0-9][0-9][0-9]*" | while read DIR 
do
        DIRB=`basename "${DIR}"`
        echo "${DIRB}:${DIR}"
done
) | sort | cut -d: -f2-