I wish to nest more than 8 If Statements 3 times ie.
Range A1 needs to test that the value 5:-
01 - Does not appear in a Row of 9 columns - say B1:B9
02 - Does not appear in a Column of 9 rows - Say A2:A10
03 - Does not appear in an array of a 3x3 grid - Say an array named "grp1"
Is this at...