File psl-1983/3-1/tests/20/main6.cmd artifact 56cfd91564 part of check-in 2f3b3fd537

main6,Dmain6,sub6,Dsub6,sub5a,Dsub5a,sub5b,Dsub5b,sub4,Dsub4,sub3,Dsub3,sub2,Dsub2,20io