त्रयाणामर्धचन्द्रकः कर्कटकशृङ्गी वा ॥ कZ_१०.६.३७ ॥
trayāṇām ardhacandrakaḥ karkaṭakaśṛṅgī vā
对于由三个分队组成的阵形,推荐采用“半月阵”(ardhacandraka)或“蟹角阵”(karkaṭakaśṛṅgī)。
Both emphasize controlled curvature/envelopment: with only three divisions, curved or pincer-like fronts help protect flanks and concentrate pressure without requiring many sub-units.