Day 1
Day 2
Day 3
Day 4*
Day 5*
Day 6*
Day 7*
Day 8*
Day 9*
Day 10*
Day 11*
Day 12*
Day 13*
Day 14*
Day 15*
Day 16*
Day 17*
Day 18*
Day 19*
Day 20*
Day 21*
Day 22*
Day 23*
Day 24*
Day 25*

Day 2

More stuff about the problems. Part 2 is part 1 with a drop index.

Part 1:

Part 2: