Assume the pattern continues in all directions. What are the isometries of the pattern? 
Definitions:
Physical Music CD
A compact disc used to store music recordings that can be played on digital audio players, computers, or stereo systems.
Digital Currency
Electronic money stored digitally, not physically, used to conduct transactions online and, increasingly, offline.
Anonymously
The state or quality of acting or communicating without revealing one's identity.
Wireless Connections
Network connections that do not require physical cables, enabling devices to communicate over distances through electromagnetic waves like Wi-Fi or Bluetooth.
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