Phase 4 and 5 may be of course sometimes much longer, and by some specific examples, even one very typical from the year 2011, may be that mentioned fact very well documented.
Phase 4 at 5 ay maaaring siyempre minsan mas matagal, at nais magkaroon ng ilang mga tukoy na halimbawa, kahit isang napaka tipikal na mula sa taon 2011, maaaring binanggit ang katotohanan na mahusay na dokumentado.