function a(a, b, b) {}
function b(a, a, a) {}
function c(a, b, a) {}
function d(a, b, a, b) {}
var e = function (a, b, b) {};
var f = function (a, a, a) {};
var g = function (a, b, a) {};
var h = function (a, b, a, b) {};
