Average the smallest 3 values of the last 5 values, excluding blank cells

I'm trying to average the smallest 3 values of the last 5 valves, excluding blank cells, in a row.I have a working Excel formula, but I'm not savvy with Sheets yet.Here is a screen shot of my Excel sheet.Excel formula: {=IFERROR(AVERAGE(SMALL(INDEX(2:2,AGGREGATE(14,6,COLUMN(D2:CL2)/(D2:CL2<>""),5)):CL2,{1,2,3})),"")}