Data1: 50 51 48 55 50
Data2: 51 49 52 50 51
Data3: 49 53 50 51 48
Data4: 48 50 52 51 53
Data5: 47 50 51 54 49
Data6: 50 48 50 49 52
Data7: 51 50 51 49 51
Data8: 48 51 49 50 50
...

Valid pair:
Data2: 51 49 52 50 51
Data4: 48 50 52 51 53

Invalid pair:
Data1: 50 51 48 55 50
Data4: 48 50 52 51 53

Most correlated pair:
Data2: 51 49 52 50 51
Data7: 51 50 51 49 51