11, 19, 41, 101, 109, 149, 191, 199, 401, 409, 419, 449, 491, 499, 911, 919, 941, 991, 1009, 1019, 1049, 1091, 1109, 1409, 1499, 1901, 1949, 1999, 4001, 4019, 4049, 4091, 4099, 4111, 4409, 4441, 4909, 4919, 4999, 9001, 9011, 9041, 9049, 9091, 9109, 9199
