M 20 + L 7 M 18 + L 6 ( − 2 M 26 + 7 M 24 − 7 M 22 − 7 M 20 + 20 M 18 + 4 M 16 − 11 M 14 + 3 M 12 ) + L ( 3 M 26 − 11 M 24 + 4 M 22 + 20 M 20 − 7 M 18 − 7 M 16 + 7 M 14 − 2 M 12 ) + L 2 ( 3 M 32 − 18 M 30 + 23 M 28 + 27 M 26 − 65 M 24 − 19 M 22 + 84 M 20 + 16 M 18 − 28 M 16 + M 14 − 8 M 12 − M 10 + 11 M 8 − 6 M 6 + M 4 ) + L 5 ( M 34 − 6 M 32 + 11 M 30 − M 28 − 8 M 26 + M 24 − 28 M 22 + 16 M 20 + 84 M 18 − 19 M 16 − 65 M 14 + 27 M 12 + 23 M 10 − 18 M 8 + 3 M 6 ) + L 4 ( − M 38 + 8 M 36 − 19 M 34 − 4 M 32 + 59 M 30 − 123 M 26 − 2 M 24 + 130 M 22 + 35 M 20 − 46 M 18 − 29 M 16 + 7 M 14 + 41 M 12 − M 10 − 30 M 8 + M 6 + 15 M 4 − 7 M 2 + 1 ) + L 3 ( M 38 − 7 M 36 + 15 M 34 + M 32 − 30 M 30 − M 28 + 41 M 26 + 7 M 24 − 29 M 22 − 46 M 20 + 35 M 18 + 130 M 16 − 2 M 14 − 123 M 12 + 59 M 8 − 4 M 6 − 19 M 4 + 8 M 2 − 1 ) {\displaystyle M^{20}+L^{7}M^{18}+L^{6}\left(-2M^{26}+7M^{24}-7M^{22}-7M^{20}+20M^{18}+4M^{16}-11M^{14}+3M^{12}\right)+L\left(3M^{26}-11M^{24}+4M^{22}+20M^{20}-7M^{18}-7M^{16}+7M^{14}-2M^{12}\right)+L^{2}\left(3M^{32}-18M^{30}+23M^{28}+27M^{26}-65M^{24}-19M^{22}+84M^{20}+16M^{18}-28M^{16}+M^{14}-8M^{12}-M^{10}+11M^{8}-6M^{6}+M^{4}\right)+L^{5}\left(M^{34}-6M^{32}+11M^{30}-M^{28}-8M^{26}+M^{24}-28M^{22}+16M^{20}+84M^{18}-19M^{16}-65M^{14}+27M^{12}+23M^{10}-18M^{8}+3M^{6}\right)+L^{4}\left(-M^{38}+8M^{36}-19M^{34}-4M^{32}+59M^{30}-123M^{26}-2M^{24}+130M^{22}+35M^{20}-46M^{18}-29M^{16}+7M^{14}+41M^{12}-M^{10}-30M^{8}+M^{6}+15M^{4}-7M^{2}+1\right)+L^{3}\left(M^{38}-7M^{36}+15M^{34}+M^{32}-30M^{30}-M^{28}+41M^{26}+7M^{24}-29M^{22}-46M^{20}+35M^{18}+130M^{16}-2M^{14}-123M^{12}+59M^{8}-4M^{6}-19M^{4}+8M^{2}-1\right)}