=IF(ISERROR(OR(IF(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(B2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(B2),FALSE))<>"",FIND(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(B2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(B2),FALSE)),VLOOKUP($A$8,$A$2:$E$6,2,FALSE),1)),IF(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(C2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(C2),FALSE))<>"",FIND(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(C2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(C2),FALSE)),VLOOKUP($A$8,$A$2:$E$6,3,FALSE),1)),IF(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(D2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(D2),FALSE))<>"",FIND(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(D2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(D2),FALSE)),VLOOKUP($A$8,$A$2:$E$6,4,FALSE),1)),IF(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(E2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(E2),FALSE))<>"",FIND(IF(VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(E2),FALSE)=0,"",VLOOKUP("Course 1",Sheet3!$A:$Z,COLUMN(E2),FALSE)),VLOOKUP($A$8,$A$2:$E$6,5,FALSE),1)))),"","1, ") & IF(ISERROR(OR(IF(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(B3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(B3),FALSE))<>"",FIND(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(B3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(B3),FALSE)),VLOOKUP($A$8,$A$2:$E$6,2,FALSE),1)),IF(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(C3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(C3),FALSE))<>"",FIND(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(C3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(C3),FALSE)),VLOOKUP($A$8,$A$2:$E$6,3,FALSE),1)),IF(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(D3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(D3),FALSE))<>"",FIND(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(D3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(D3),FALSE)),VLOOKUP($A$8,$A$2:$E$6,4,FALSE),1)),IF(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(E3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(E3),FALSE))<>"",FIND(IF(VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(E3),FALSE)=0,"",VLOOKUP("Course 2",Sheet3!$A:$Z,COLUMN(E3),FALSE)),VLOOKUP($A$8,$A$2:$E$6,5,FALSE),1)))),"","2, ") & IF(ISERROR(OR(IF(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(B4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(B4),FALSE))<>"",FIND(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(B4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(B4),FALSE)),VLOOKUP($A$8,$A$2:$E$6,2,FALSE),1)),IF(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(C4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(C4),FALSE))<>"",FIND(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(C4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(C4),FALSE)),VLOOKUP($A$8,$A$2:$E$6,3,FALSE),1)),IF(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(D4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(D4),FALSE))<>"",FIND(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(D4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(D4),FALSE)),VLOOKUP($A$8,$A$2:$E$6,4,FALSE),1)),IF(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(E4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(E4),FALSE))<>"",FIND(IF(VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(E4),FALSE)=0,"",VLOOKUP("Course 3",Sheet3!$A:$Z,COLUMN(E4),FALSE)),VLOOKUP($A$8,$A$2:$E$6,5,FALSE),1)))),"","3, ") & IF(ISERROR(OR(IF(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(B5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(B5),FALSE))<>"",FIND(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(B5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(B5),FALSE)),VLOOKUP($A$8,$A$2:$E$6,2,FALSE),1)),IF(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(C5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(C5),FALSE))<>"",FIND(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(C5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(C5),FALSE)),VLOOKUP($A$8,$A$2:$E$6,3,FALSE),1)),IF(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(D5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(D5),FALSE))<>"",FIND(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(D5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(D5),FALSE)),VLOOKUP($A$8,$A$2:$E$6,4,FALSE),1)),IF(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(E5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(E5),FALSE))<>"",FIND(IF(VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(E5),FALSE)=0,"",VLOOKUP("Course 4",Sheet3!$A:$Z,COLUMN(E5),FALSE)),VLOOKUP($A$8,$A$2:$E$6,5,FALSE),1)))),"","4, ") & IF(ISERROR(OR(IF(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(B6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(B6),FALSE))<>"",FIND(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(B6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(B6),FALSE)),VLOOKUP($A$8,$A$2:$E$6,2,FALSE),1)),IF(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(C6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(C6),FALSE))<>"",FIND(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(C6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(C6),FALSE)),VLOOKUP($A$8,$A$2:$E$6,3,FALSE),1)),IF(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(D6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(D6),FALSE))<>"",FIND(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(D6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(D6),FALSE)),VLOOKUP($A$8,$A$2:$E$6,4,FALSE),1)),IF(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(E6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(E6),FALSE))<>"",FIND(IF(VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(E6),FALSE)=0,"",VLOOKUP("Course 5",Sheet3!$A:$Z,COLUMN(E6),FALSE)),VLOOKUP($A$8,$A$2:$E$6,5,FALSE),1)))),"","5")