After cutting + encoding video parts, use this script to merge all parts.
$wget http://coaching.tapomix.me/tools/mergator.sh
$sudo mv mergator.sh /usr/local/bin/mergator
$sudo chmod +x /usr/local/bin/mergator
$mergator -c CONTEXT -o OPPONENT
CONTEXT = [1, R, C, F] (uppercase !)
OPPONENT = 3 letters + 1 digit (aka team code) (lowercase !)