=IF(WEEKNUM(G1)=3,"Test 3",IF(WEEKNUM(G1)=7,"Test 3",IF(WEEKNUM(G1)=11,"Test 3",IF(WEEKNUM(G1)=15,"Test 3",IF(WEEKNUM(G1)=19,"Test 3",IF(WEEKNUM(G1)=23,"Test 3",IF(WEEKNUM(G1)=27,"Test 3",IF(WEEKNUM(G1)=31,"Test 3",IF(WEEKNUM(G1)=35,"Test 3",IF(WEEKNUM(G1)=39,"Test 3",IF(WEEKNUM(G1)=39,"Test 3",IF(WEEKNUM(G1)=47,"Test 3",IF(WEEKNUM(G1)=51,"Test 3",IF(WEEKNUM(G1)=2,"Test 2",IF(WEEKNUM(G1)=6,"Test 2",IF(WEEKNUM(G1)=10,"Test 2",IF(WEEKNUM(G1)=14,"Test 2",IF(WEEKNUM(G1)=18,"Test 2",IF(WEEKNUM(G1)=22,"Test 2",IF(WEEKNUM(G1)=26,"Test 2",IF(WEEKNUM(G1)=30,"Test 2",IF(WEEKNUM(G1)=34,"Test 2",IF(WEEKNUM(G1)=38,"Test 2",IF(WEEKNUM(G1)=42,"Test 2",IF(WEEKNUM(G1)=46,"Test 2",IF(WEEKNUM(G1)=50,"Test 2",IF(WEEKNUM(G1)=1,"Test 1",IF(WEEKNUM(G1)=5,"Test 1",IF(WEEKNUM(G1)=9,"Test 1",IF(WEEKNUM(G1)=13,"Test 1",IF(WEEKNUM(G1)=17,"Test 1",IF(WEEKNUM(G1)=21,"Test 1",IF(WEEKNUM(G1)=25,"Test 1",IF(WEEKNUM(G1)=29,"Test 1",IF(WEEKNUM(G1)=33,"Test 1",IF(WEEKNUM(G1)=37,"Test 1",IF(WEEKNUM(G1)=41,"Test 1",IF(WEEKNUM(G1)=45,"Test 1",IF(WEEKNUM(G1)=49,"Test 1","Test 4")))))))))))))))))))))))))))))))))))))))