Как решить?лалмлклвгсшвлашшвышомгвш

Спасибо

4,8,12,16,20,24,28,32,36,40--------------5,9,13,17,21,25,29,33,37,41-----------------------6,10,14,18,22,26,30,34,38,42--------------------------7,11,15,19,23,27,31,35,39,43-----------------------------11,21,31,41,51,61,71,81----------------------------9,15,21,27,33,39,45,51