November 13, 1978. The three points at issue on this appeal are unavailable for disposition in this Court under the Rules of Criminal Procedure. The first two, relating to rejection of illegally obtained evidence, were not raised prior to trial as required by V.R.Cr.P. 12; the third was not first presented in the lower court. V.R.Cr.P. 51; State v. Welch, 136 Vt. 442, 394 A.2d 1115 (1978).