Take F over C, under E, and bring it out between E and D, Take G over E, under D, and bring it out between D and C.
Thatha uF, ngaphezulu ku-C, phantsi ku-E, uyibuyisele ngaphandle phakathi ko E no D, thatha u-G phezu ko-E phantsi ko-D ubakhuphe phakathi ko-D no C.