Identify Overlapping And Non Overlapping Regions For Paired-End Data

gene1            gene2
chr1    25    30    chr1    34    37
chr1    15    20    chr1    25    28
chr1    80    90    chr1    10    13

gene1            gene2
chr1    25    30    chr1    36    39
chr1    15    20    chr1    18    20
chr1    80    90    chr1    19    22

common gene1 uniq gene2 (when we compare file 1 with file2)
chr1    15    20    chr1    25    28
chr1    80    90    chr1    10    13

common gene1 uniq gene2 (when we compare file2 with file1)

chr1    15    20    chr1    18    20
chr1    80    90    chr1    19    22

common gene1 common gene2
 chr1    25    30    chr1    34     37  chr1    25    30    chr1    36    39

common in gene1 gene2 i was able to do with bedtools pairToPair. buth i have problem with common gene1 and uniq gene2