{
    "modulus"          : "2^448-2^224-1",
    "base"             : "56",
    "goldilocks"       : "true",
    "sz"               : "8",
    "bitwidth"         : "64",
    "carry_chains"     : [[3, 7],
			  [0, 4, 1, 5, 2, 6, 3, 7],
			  [4, 0]],
    "coef_div_modulus" : "2",
    "operations"       : ["femul"]
}