If \( \bar{a}, \bar{b}, \bar{c} \) are non-coplanar vectors and \( \lambda \) is a real number, then the vectors \( \bar{a}+2 \bar{b}+3 \bar{c}, \lambda \bar{b}+4 \bar{c} \) and \( (2 \lambda-1) \bar{c} \) are non-coplanar for