Eureka! I found the abbreviated Rule of the Jesus Prayer as a substitute for the Divine Office (for our Melkite Catholic in Aachen, the set of veneration of Blessed Charlemagne!)

It is at this URL: http://www.synaxis.info/psalter/4_slavonic/f_prayer/pravilo_po_chetkam.html

Compline: 150 Prayers and 36 prostrations (with the Prayer). OR 700 Prayers without prostrations

Midnight Hour: 100 Prayers and 25 prostrations or 600 prayers without prostrations.

Matins: 300 Prayers and 50 prostrations or 1500 Prayers without prostrations

Hours: For each separate Hour 50 Prayers and 7 prostrations or 250 each without prostrations

Vespers: 100 prayers and 25 prostrations or 600 Prayers without prostrations