Parker Brothers produced cartridge ports of " Frogger " for the Atari 2600 , Intellivision , Atari 5200 , ColecoVision , Atari 8-bit computers , Commodore VIC-20 and 64 .
Head entity: atari 2600 Q206261 11 12
Tail entity: atari 5200 Q743222 16 17
Relation (head \u2192 tail): P155
Inverse relation (tail \u2192 head): P156