ttt -s20  -m5  -g200  -R1 -l0 -bz/50 > z/50.out
ttt -s100 -m10 -g500  -R2 -l0 -bz/51 > z/51.out
ttt -s200 -m20 -g1000 -R3 -l0 -bz/52 > z/52.out