Round 0 (trial)
Task Tulips

Round 1
Task Rooks [B]

Round 2
Task Unlucky [A]
Task Climbing [B]

Round 3
Task Pedestrian Crossing [B]
Ploter

Round 4
Task Fuel [B]

Round 5
Task Declining Sequences [B]
Task Double Factorial [B]
Task Trails [A]
Task Vacation [A]

Round 6
Task Automorphisms [B]
Task Kangaroos [A]
Task Laser Pool [A]
Task The Shortest Period [B]

Final round
Task Computational Biology
Task Byteland Worldbeat Publishers
Task Exam
Task Computational Geometry
Task Coprime Numbers
Task Prime prime power
Task Hard Choice