The Vishnudharmottara purana classifies papa into 8 distinct categories in decreasing order of their graveness
MAHANMAHATTARPATAKA, SUMAHATTARPATAKA, SUMAHAPATAKA, MAHAPATAKA, PATAKAs, UPAPATAKAS, Papa and Kshudra papa
My question is, what are exactly are these 8 papas and patakas and parikaras suggested for the same?