I bazin /-----/-----/-----/ +1835/+2746
II bazin /-----/-----/+1835 } 6470
III bazin /-----/
6470 - 1835 - 2746 - 1835 = 54
3 +2 +1 = 6 segmente egale
54 : 6 = 9 un segment egal
I bazin = 9 + 1853 + 2746 = 4608 kl
II bazin = 9 x 2 + 1835 = 1853 kl
III bazin = 9kl
4608 + 1853 + 9 = 6470 kl