| Left | Right | |
|---|---|---|
| 1 | ["Customer A","Retail B","x"] | ["Customer A","Retail B","x"] |
| 2 | ["Customer C","Retail B","x"] | |
| 3 | ["Customer D","Key Account","x"] | ["Customer D","Key Account","x"] |
| 4 | ["Customer B","Retail A","x"] | |
| 5 | ["Customer C","Retail B","x"] | |
| 6 | ["Customer E","Retail A","x"] | ["Customer E","Retail A","x"] |
| 7 | ["Customer F","Key Account","x"] | |
| 8 | ["Customer G","Key Account","x"] | ["Customer G","Key Account","x"] |