This file points to 6 pairs of files of the form    "?am*"
("?" is a single-character wildcard and "*" is a multiple-character wildcard.)

Crossing File	Backbone Overlay
1am2	1am2_sse
1am7_A	1am7_A_sse
1am9_A	1am9_A_sse
1amf	1amf_sse
1amu_A	1amu_A_sse
1amx	1amx_sse