hello, im looking for someone to help me with the hug achievement

as the title says i need help to get some off the steam achievements

EXPLANATION -------------------------------------------------------------------------------------------------------------------------------- I invented a new mechanic in Portal! The rock falls from tube, and when it hits you, you're getting pushed, BUT, you can use these rocks to launch yourself somewhere in that way (like how Demoman or Soldier use explosions to jump higher), and I involved it to my custom map! The concept is: you place portal to the spot where rock lands, and another portal under yours...

THanks! :D

Anyone whose never played can join