(a) SUMATRA Area Nicobars Sabang N. Sumatra 2-3 divs. (One regt in Nicobars Two regts in Sabang 1-2 divs in N.Sumatra) S. Sumatra ½-1 div. Total 2½-4 divs. (b) MALAYA Area Penang 1 div. Port Swettenham Area 1 div. Singapore 1-2 divs. Total 3-4 divs. (c) Up to the equivalent of one division in Sumatra and one and a half divisions in Malaya of the above totals may be made up of garrison troops instead of active divisions. 9. In order to make their defence as strong as possible in this vital area the Japanese will probably draw all the forces which they can spare from SIAM, INDO-CHINA and possibly JAVA, to reinforce their existing garrisons in SUMATRA and MALAYA.