Stratified sampling is not useful when the population cannot be exhaustively partitioned into disjoint subgroups. The cache itself is partitioned into lines. For a variable-length message, the data must first be partitioned into separate cipher blocks. A CTB may be recursively partitioned into 4 or more TUs. The accumulator space is partitioned into units called cells. For any integer formula 35, any triangle can be partitioned into formula 36 isosceles triangles. In 1947, British India was partitioned into the independent dominions of India and Pakistan. At the 1954 Geneva peace conference, Vietnam was temporarily partitioned at the 17th parallel. Every process's program can be partitioned into four sections, resulting in four states. Also, larger amounts of assimilate were partitioned into the actual grains, further increasing the yield. In this process, the data is partitioned into "v" parts. This vehicle architecture is partitioned into five modules. Following wars with the Romans and Persians, Armenia was partitioned between the two empires. Korea was administratively partitioned in 1945, at the end of World War II. After Huchuquan, the Southern Xiongnu were partitioned into five local tribes.