Expression 3: mod left parenthesis, floor left parenthesis, negative "x" , right parenthesis plus floor left parenthesis, "y" , right parenthesis , 20 , right parenthesis less than or equal to "T"modfloor−x+floory,20≤T
3
Expression 4: mod left parenthesis, floor left parenthesis, negative "x" , right parenthesis plus floor left parenthesis, negative "y" , right parenthesis , 20 , right parenthesis less than or equal to "T"modfloor−x+floor−y,20≤T
4
Expression 5: "T" equals left bracket, 0...5 , right bracketT=0...5