abab-*xyxy

Make it instantly recognisable

left
9090 58 3535
?12,501
?10,001
Sum: 47
Total: 2
left
9090 63 3535
?12,501
?10,001
Sum: 43
Total: 7
left
9090 63 3838
?12,501
?10,001
Sum: 49
Total: 4
left
9090 51 4646
?12,501
?10,001
Sum: 44
Total: 8
left
9090 54 4646
?12,501
?10,001
Sum: 47
Total: 2
left
9090 56 6161
?12,501
?10,001
Sum: 43
Total: 7
left
9090 17 6363
?12,501
?10,001
Sum: 44
Total: 8
left
9090 56 6363
?12,501
?10,001
Sum: 47
Total: 2
left
9090 58 6363
?12,501
?10,001
Sum: 49
Total: 4
left
9090 05 7373
?12,501
?10,001
Sum: 43
Total: 7
left
9090 56 8383
?12,501
?10,001
Sum: 51
Total: 6
left
9090 56 8484
?12,501
?10,001
Sum: 53
Total: 8
left
9090 28 8686
?12,501
?10,001
Sum: 56
Total: 2
left
7575 90 3232
?9,376
?7,501
Sum: 43
Total: 7
left
7575 90 4242
?9,376
?7,501
Sum: 45
Total: 9
left
7575 90 4646
?9,376
?7,501
Sum: 53
Total: 8
left
7575 90 6161
?9,376
?7,501
Sum: 47
Total: 2
left
7575 90 6262
?9,376
?7,501
Sum: 49
Total: 4
left
7575 90 6464
?9,376
?7,501
Sum: 53
Total: 8
left
7575 90 7878
?12,501
?10,001
Sum: 63
Total: 9
left
7575 90 7979
?10,626
?8,501
Sum: 65
Total: 2
left
7575 91 2828
?9,376
?7,501
Sum: 54
Total: 9
left
7575 91 3232
?9,376
?7,501
Sum: 44
Total: 8
left
7575 91 3434
?9,376
?7,501
Sum: 48
Total: 3

abab-*xyxy pattern