./ttt2 -t -s 'acrpo -direct'
./ttt2 -t -s 'dp; (acrpo -af)*'
./ttt2 -t -s 'ackbo -direct -ib 3 -ob 4 -sc'
./ttt2 -t -s 'dp; (ackbo -af -ib 3 -ob 4 -sc)*'