pinout
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|            |
  /1Y| 1        14|  VCC
   1A| 2        13|  /4Y
   1B| 3        12|   4B
  /2Y| 4        11|   4A
   2A| 5        10|  /3Y
   2B| 6         9|   3B
  GND| 7         8|   3A
|____________|