[1,3,3,9,3,9,3,27,9,9,3,27,3,9,9,81,3,27,3,27,9,9, 3,81,9,9,27,27,3,27,3,243,9,9,9,81,3,9,9,81,3,27, 3,27,27,9,3,243,9,27,9,27,3,81,9,81,9,9,3,81,3,9, 27,729,9,27,3,27,9,27,3,243,3,9,27,27]