X11 X12 X13 X14 X15 X21 X22 X23 X24 X25 X31 X32 X33 X34 X350 0 0 90 220 0 0 190 70 0 180 90 10 0 010 8 6 5 4 6 5 4 3 6 3 4 5 5 9

1 1 1 1 11 1 1 1 1

1 1 1 1 11 1 1

1 1 11 1 1

1 1 11 1 1

3250

310 = 310260 = 260280 = 280180 = 18090 = 90200 = 200160 = 160220 = 220