C. Iulius Caesar, Commentāriōrum dē Bellō Gallicō 5.32
Tier 2
hostēs sēnsērunt Rōmānōs exitūrōs esse ex castrīs quod Rōmānī faciēbant clāmōrem et nōn dormiēbant. Gallī tunc fēcērunt īnsidiās bipertītīo in silvīs. hic locus erat opportūnus atque occultus. erat circiter duōbus passum ā mīlitibus Rōmānīs. ibī Gallī expectābant Rōmānōs.
māior pars exercitūs Rōmānī dēscenderat in māgnam convāllem et subitō hostēs ostendērunt sē. Gallī oppūgnāvērunt novissimōs Rōmānōs et prohibuērunt prīmōs mīlitēs ascēnsū ex convālle. ergo proelium coepit in locō inīquissimō nostrīs mīlitibus.
Tier 3
at hostēs, posteā quam sēnsērunt dē profectiōne Rōmānōrum ex nocturnō fremitū vigiliīsque, collocātīs īnsidiīs bipertītō in silvīs in opportūnō atque occultō locō circiter duōbus passuum ā mīlitibus Rōmānīs, expectābant adventum Rōmānōrum et, cum māior pars āgminis dēmīsset sē in māgnam convallem, subitō hostēs ostendērunt sē ex utrāque parte ēius vallis, novīssimōsque premere et prohibēre prīmōs ascēnsū atque coepērunt committere proelium inīquissimō locō nostrīs.
Tier 4
at hostēs, posteā quam ex nocturnō fremitū vigiliīsque dē profectiōne eōrum sēnsērunt, collocātīs īnsidiīs bipertītō in silvīs opportūnō atque occultō locō ā mīlibus passuum circiter duōbus Rōmānōrum adventum exspectābant et, cum sē māior pars āgminis in māgnam convallem dēmīsisset, ex utrāque parte ēius vallis subitō sē ostendērunt, novīssimōsque premere et prīmōs prohibēre ascēnsū atque inīquissimō nostrīs locō proelium committere coepērunt.
