ответ:81
по 4: 5,9,13,17,21,25,29,33,37,41,45,49,53,57,61,65,69,73,77,81
по 5: 6,11,16,21,26,31,36,41,46,51,56,61,66,71,76,81
по 8: 9,17,25,33,41,49,57,65,73,81
ответ:81
по 4: 5,9,13,17,21,25,29,33,37,41,45,49,53,57,61,65,69,73,77,81
по 5: 6,11,16,21,26,31,36,41,46,51,56,61,66,71,76,81
по 8: 9,17,25,33,41,49,57,65,73,81