Удиви меня

Proton neutron

Proton neutronProton neutronProton neutronProton neutronProton neutronProton neutron
Proton neutronProton neutronProton neutronProton neutronProton neutronProton neutron
Proton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutronProton neutron