10 12 13 14 15
x5 x2 x3 x2 x1






20 21 23 22 24

x5 x4 x2 x1 x4






23 21 20 10 14
x12 x21 x11 x35 x12






25 45 56 24 54
x24 x26 x23 x12 x25






25 45 75 65 35
x23 x54 x23 x54 x24