3 0 1 1 4 0 0 0 0 2 2 2 2 2 2 2 2 2 2 2 2 0 0 0 0 0 0
6 6 6 5 5 4 4 4 4 0 0 0 0 0 0 0 0 0 0 5 5 5 5 5 5 5 5
001 AAAAAA -234-6 Y 20 R
002 BBBBBB ---45- J 14 W
003 CCCCCC ----5- U 10 D
[CCCCCC] input U (21)
[000010]
[----5-]
---------------------------
---55--------------55555555
result 10
output D (4)