The following problems should be given more attention. Their logics are bit hard to understand. IEEEXtreme 10.0 Dog Walking IEEEXtreme 11.0 Pyramid Lion Territory Math Challenge Gotta Catch 'Em All Octopuses with Watches Quipu Function Mister Counter Odd Cycle Check The Fast and the Curious Jarawi and The Interview IEEEXtreme 12.0 Barrett Reduction IEEEXtreme 13.0 Infinite String Googolplex Monokeros Xranda and Tree Reshuffle Teams Ranged Alfa Pool IEEEXtreme 14.0 Crafting Wooden Tables Rotaional Lights Furin Back IEEEXtreme 16.0 Scheduler Redux