M 68 + L 8 + L 7 ( 3 M 14 − 7 M 12 + 3 M 10 + 13 M 8 − 2 M 6 − 5 M 4 + 4 M 2 − 1 ) + L 6 ( 3 M 28 − 14 M 26 + 14 M 24 + 22 M 22 − 28 M 20 − 24 M 18 + 56 M 16 + 32 M 14 − 35 M 12 − 10 M 10 + 17 M 8 − 6 M 6 + M 4 ) + L 5 ( M 42 − 7 M 40 + 12 M 38 + 2 M 36 − 15 M 34 − 15 M 32 + 46 M 30 + 13 M 28 − 47 M 26 + 28 M 24 + 82 M 22 − 15 M 20 − 48 M 18 + 6 M 16 + 23 M 14 − 12 M 12 + 2 M 10 ) + L 4 ( M 52 − 6 M 50 + 11 M 48 − 4 M 46 − 4 M 44 − 4 M 42 + 11 M 40 − 12 M 38 + 16 M 36 + 52 M 34 + 16 M 32 − 12 M 30 + 11 M 28 − 4 M 26 − 4 M 24 − 4 M 22 + 11 M 20 − 6 M 18 + M 16 ) + L 3 ( 2 M 58 − 12 M 56 + 23 M 54 + 6 M 52 − 48 M 50 − 15 M 48 + 82 M 46 + 28 M 44 − 47 M 42 + 13 M 40 + 46 M 38 − 15 M 36 − 15 M 34 + 2 M 32 + 12 M 30 − 7 M 28 + M 26 ) + L 2 ( M 64 − 6 M 62 + 17 M 60 − 10 M 58 − 35 M 56 + 32 M 54 + 56 M 52 − 24 M 50 − 28 M 48 + 22 M 46 + 14 M 44 − 14 M 42 + 3 M 40 ) + L ( − M 68 + 4 M 66 − 5 M 64 − 2 M 62 + 13 M 60 + 3 M 58 − 7 M 56 + 3 M 54 ) {\displaystyle M^{68}+L^{8}+L^{7}\left(3M^{14}-7M^{12}+3M^{10}+13M^{8}-2M^{6}-5M^{4}+4M^{2}-1\right)+L^{6}\left(3M^{28}-14M^{26}+14M^{24}+22M^{22}-28M^{20}-24M^{18}+56M^{16}+32M^{14}-35M^{12}-10M^{10}+17M^{8}-6M^{6}+M^{4}\right)+L^{5}\left(M^{42}-7M^{40}+12M^{38}+2M^{36}-15M^{34}-15M^{32}+46M^{30}+13M^{28}-47M^{26}+28M^{24}+82M^{22}-15M^{20}-48M^{18}+6M^{16}+23M^{14}-12M^{12}+2M^{10}\right)+L^{4}\left(M^{52}-6M^{50}+11M^{48}-4M^{46}-4M^{44}-4M^{42}+11M^{40}-12M^{38}+16M^{36}+52M^{34}+16M^{32}-12M^{30}+11M^{28}-4M^{26}-4M^{24}-4M^{22}+11M^{20}-6M^{18}+M^{16}\right)+L^{3}\left(2M^{58}-12M^{56}+23M^{54}+6M^{52}-48M^{50}-15M^{48}+82M^{46}+28M^{44}-47M^{42}+13M^{40}+46M^{38}-15M^{36}-15M^{34}+2M^{32}+12M^{30}-7M^{28}+M^{26}\right)+L^{2}\left(M^{64}-6M^{62}+17M^{60}-10M^{58}-35M^{56}+32M^{54}+56M^{52}-24M^{50}-28M^{48}+22M^{46}+14M^{44}-14M^{42}+3M^{40}\right)+L\left(-M^{68}+4M^{66}-5M^{64}-2M^{62}+13M^{60}+3M^{58}-7M^{56}+3M^{54}\right)}
