This file points to 6 pairs of files of the form "?sq*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)
Crossing File
Backbone Overlay
1sq1_A
1sq1_A_sse
1sq4_A
1sq4_A_sse
1sqh_A
1sqh_A_sse
1sqs_A
1sqs_A_sse
1squ_A
1squ_A_sse
2sqc_A
2sqc_A_sse