; a^{4} v_{2} + a^{2} v_{2} &amp; a^{2} b v_{2} + b v_{2} &amp; a^{3} b v_{2} + a b v_{2} &amp; a^{4} b v_{2} + a^{2} b v_{2}\\a^{2} v_{2} &amp; a^{3} v_{2} + a v_{2} &amp; a^{4} v_{2} + a^{2} v_{2} + v_{2} &amp; a^{5} v_{2} + a^{3} v_{2} + a v_{2} &amp; a^{3} b v_{2} + a b v_{2} &amp; a^{4} b v_{2} + a^{2} b v_{2} + b v_{2} &amp; a^{5} b v_{2} + a^{3} b v_{2} + a b v_{2}\\a^{3} v_{2} &amp; a^{4} v_{2} + a^{2} v_{2} &amp; a^{5} v_{2} + a^{3} v_{2} + a v_{2} &amp; a^{6} v_{2} + a^{4} v_{2} + a^{2} v_{2} + v_