1986-07-07 /BB-JF18A-BM/01/sources/mx/mx20c.cmd 1986-08-13 /BB-H138F-BM_1988/01/7-sources/mx20c.cmd 1986-08-13 /bb-h138f-bm/01/7-sources/mx20c.cmd 1986-08-13 /tops20-v7-ft-dist1-clock/01/7-sources/mx20c.cmd