1|-------------------------------------------------------
2|------3-2-0-3-0-2-0---------------3-2-0-3-0-2-0--------
3|----4----------------0-2--------4----------------------
4|--4----------------------4----4------------------4-3-2-
5|-------------------------------------------------------
6|-------------------------------------------------------

1|---------------------------------------------
2|-------2--------0----------------------------
3|---0-3------0-3---------2-0---2-0-0----------
4|-2--------2-----------0-----4-------4-4------
5|--------------------2--------------------1-2-
6|---------------------------------------------

1|---------------------------------------
2|-0-0--------2-0------------------------
3|-----3-2--------0-------2--------0-----
4|------------------4---4---4-2--2---3-4-
5|---------------------------------------
6|---------------------------------------

1|-------------------------------------------------------
2|------3-2-0-3-0-2-0---------------3-2-0-3-0-2-0--------
3|----4----------------0-2--------4----------------------
4|--4----------------------4----4------------------4-3-2-
5|-------------------------------------------------------
6|-------------------------------------------------------

1|---------------------------------------------
2|-------3--------0----------------------------
3|---0-3------0-3------------------------------
4|-2--------2-----------0-----2-0-0-----3-4----
5|--------------------2---3---------3-3--------
6|---------------------------------------------