A
I----------------------------------I
I----------------------------------I
I----------------------------------I
I----------------------------------I
I-3-3-4-3-6-6-6-6--I
I-1-1-2-1-4-4-4-4--I

FILL 1
I------I
I------I
I------I
I-6-5--I
I-6-5--I
I-4-3--I

B
I----------------------------------------------I
I----------------------------------------------I
I----------------------------------------------I
I-6---5-------6---5-------6---5-------3--5--3--I
I-6---5-------6---5-------6---5-------3--5--3--I
I-4-0-3-0-0-0-4-0-3-0-0-0-4-0-3-0-0-0-1--3--1--I

C
I------------------------------------------I
I------------------------------------------I
I------------------------------------------I
I-2---3-------2--------2---3-------2-------I
I-2---3-------2--------2---3-------2---1~--I
I-0-0-1-0-0-0-0-0-3~---0-0-1-0-0-0-0-0-----I

FILL2 (END)
I--------------------I
I--------------------I
I--------------------I
I-6---5-------3-2-2--I
I-6---5-------3-2-2--I
I-4-0-3-0-0-0-1-0-0--I