CL-A WF-A
CL-B WF-A
CL-B WF-B
CL-A WF-C
CL-B WF-C
CL-D WF-C
CL-B WF-D
CL-C WF-A
CL-C
CL-C WF-D
CL-A WF-B
CL-A
