1.  47
 2.  45
 3.  44
 4.  43
 5.  42
 6.  42
 7.  40
 8.  38
=== cut between A and B
 9.  36
10.  36
11.  35
12.  33
13.  32
14.  30
15.  30
=== cut between B and C
16.  24
17.  22
18.  20
=== cut between C and D