-------3-3-----3-3-----3---0-------|-------3-3-----3-3-----3---0-------|
-----3-------3-------3-----------3-|-----3-------3-------3-----------3-|
---0-------0-------0-----------0---|---0-------0-------0-----------0---|
-------------------------0---2-----|-------------------------0---2-----|
---------2-------3-----------------|---------2-------3-----------------|
-3---------------------------------|-3---------------------------------|
-------0-0-----0-0-----0---0-------|-------3-3-----3-3-----3---0-------|
-----1-------1-------1-----------1-|-----3-------3-------3-----------3-|
---2-------2-------2-----------2---|---0-------0-------0-----------0---|
-------------------------0---2-----|-------------------------0---2-----|
-0-------2-------3-----------------|---------2-------3-----------------|
-----------------------------------|-3---------------------------------|
-------0-0-----0-0-----0-----------|-------3-3-----3-3-----3---0-------|
-----1-------1-------1-----1-----1
