The opinion of the court was delivered by Defendant, Cleve Nichols, appeals from convictions by a jury of the offenses of rape as defined in K.S.A. 1972 Supp. 21-3502 and indecent liberties with a child (K.S.A. 1972 Supp. 21-3503). Sentences, to run concurrently, were imposed under the provisions of K.S.A. 1972 Supp. 21-4501 (c). Patsy M. Gilroy was returning from an errand to the grocery store to her home in east Topeka when she was approached by three young men and forced to accompany them down a side street into a wooded area where they had intercourse with her, against her wishes and desires. She testified that one of the men threatened her with a pocket knife. Defendant was identified as one of the three in a lineup proceeding. Patsy was thirteen years of age at the time.