▁to ▁guide ▁the ▁vie wer ▁on wards ▁in ▁the ▁episodes . ▁The ▁kiss ▁of ▁Jud as ▁near ▁the ▁end ▁of ▁the ▁sequence ▁signals ▁the ▁close ▁of ▁this ▁left - to - right ▁process ion . ▁Below ▁the ▁narr ative ▁scenes ▁in ▁colour , ▁Gi otto ▁also ▁painted ▁alleg ories ▁of ▁seven ▁V irt ues ▁and ▁their ▁counter parts ▁in ▁mon och rome ▁grey ▁( gr is aille ). ▁The ▁gr is aille ▁fres co es ▁are ▁painted ▁to ▁look ▁like ▁mar ble ▁stat ues ▁that ▁person ify ▁V irt ues ▁and ▁V ices . ▁The ▁central ▁alleg ories ▁of ▁Justice ▁and ▁In just ice ▁opp ose ▁two ▁specific ▁types ▁of ▁government : ▁peace ▁leading ▁to ▁a ▁festival ▁of ▁Love ▁and ▁ty ran ny ▁resulting ▁in ▁w art ime ▁ra pe . ▁Between ▁the ▁narr ative ▁scenes ▁are ▁qu at ref o il ▁paint ings ▁of ▁Old ▁Testament ▁scenes , ▁like ▁Jon ah ▁and ▁the ▁Wh ale , ▁that ▁alleg or ically ▁correspond ▁to ▁and ▁perhaps ▁for et ell ▁the ▁life ▁of ▁Christ . ▁ ▁Much ▁of ▁the ▁blue ▁in ▁the ▁fres co es ▁has ▁been ▁worn ▁away ▁by ▁time . ▁The ▁exp ense ▁of ▁the ▁ul tr amar ine ▁blue ▁p ig ment ▁used ▁required ▁it ▁to ▁be ▁painted ▁on ▁top ▁of ▁the ▁already - d ry ▁fres co ▁( f res co ▁se cco ) ▁to ▁preserve ▁its ▁br ill iance . ▁That ▁is ▁why ▁it ▁has ▁dis integr ated ▁faster ▁than ▁the ▁other ▁colours , ▁which ▁were ▁painted ▁on ▁wet ▁pl