Complex sentence: The Darul Islam's forces was shrinking in size and by 1962, there were only a pockets of resistance in West Java and South Sulawesi On June 1962, Kartosuwirjo was captured by the government army in his hideout in Garut.
Split into simpler sentences: The Darul Islam's forces were shrinking in size and by 1962 there were only pockets of resistance in West Java and South Sulawesi. In June 1962, Kartosuwirjo was captured by the government army in his hideout in Garut.