Sets 1 to 8            Sets 9 to 15   

Solutions

Set 1    Set 2    Set3    Set 4    Set 5    Set 6    Set 7    Set 8    Set 9    Set 10    Set 11

Set 12    Set 13    Set 14    Set 15

Class Problems

CPSet1    CPSet2    CPSet3    CPSet4    CPSet5    CPSet6    CPSet7    CPSet8    CPSet9     CPSet10

CPSet11    CPSet12    CPSet13    CPSet14    CPSet15    CPSet16

CPSet17    CPSet18    CPSet19    CPSet20    CPSet21    CPSet22

CPSet23    CPSet24