The present invention is in the field of soybean variety CS1661395, CS1661278, CS1661219, CS1661171, CS1660654, AND/OR CS1661663 breeding and development. The present invention particularly relates to the soybean variety CS1661395, CS1661278, CS1661219, CS1661171, CS1660654, AND/OR CS1661663 and its seed, cells, germplasm, plant parts, and progeny, and methods of using CS1661395, CS1661278, CS1661219, CS1661171, CS1660654, AND/OR CS1661663 in a breeding program.