Deciphering the Code Cerca Trova

Langdon and Sienna analyze the projected image. Langdon realizes the ten letters in the Malebolge, CATROVACER, are a scrambled version of the Italian phrase 'cerca trova' (seek and find). This phrase is a famous hidden message in Giorgio Vasari's mural in the Palazzo Vecchio. Langdon also realizes his delirious mumbling of 'very sorry' was actually 'Vasari, Vasari.'