A = 20 (??) The year of the sculpture.
B = 19 (??) The year of the charge, inverted.
C = The number of horses who came back.
d=The cost of the sculpture/1000
E = The hours without water, inverted.
F = Half the distance of the charge.
S 31 A. BC E D 55.EF
Check A+B+C+E+D+F = 313