No, 01:05:03:04:05:06 is just an example, you just have to use 6x2 hexadecimal numbers separated by ":" 
And each person who play with you must have a his own MAC address.
Here are all the possibilities :

And each person who play with you must have a his own MAC address.
Here are all the possibilities :
♦ Intel Core i7-6700HQ | 16 GB RAM | NVIDIA GeForce GTX 960M | Debian Testing
♦ Intel Core i7-2630QM | 4 GB RAM | NVIDIA GeForce GT 540M | Debian Testing
♦ PSP-3004 | 6.60 PRO-C2
♦ Intel Core i7-2630QM | 4 GB RAM | NVIDIA GeForce GT 540M | Debian Testing
♦ PSP-3004 | 6.60 PRO-C2


