on place of noteblock:
    if {noteblock::%player%} is bigger than 2:
        cancel event
        send "&7>> &cNie mozesz polozyc wiecej niz 3 tereny!" to player
    else:
        add 1 to {noteblock::%player%}
        
on break of noteblock:
    remove 1 from {noteblock::%player%}