#!/usr/local/bin/node
r = _ => !(_.compare(Buffer('0000000000000000000000000000000000000000000000000000000000000001', 'hex');) < 0) && !(_.compare(new Buffer('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140', 'hex');) > 0)?(console.log(_) || _):r(require('crypto').randomBytes(32)); r(require('crypto').randomBytes(32)))