S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S
|--------------------------------|------------------------6-6-6-6-|
|--------------------------------|----------------5-5-5-5---------|
|------------------------4-4-4-4-|3-3-3-3-6-6-6-6-----------------|
|2-2-2-2-4-4-4-4-5-5-5-5---------|--------------------------------|
|--------------------------------|--------------------------------|
|--------------------------------|--------------------------------|
E E E E E E E E E E E E Q Q
|7---7---5---3---------------3---|----------------3-------2-------|
|----------------5---3-----------|5-------3---5-------------------|
|------------------------4-------|----4---------------------------|
|--------------------------------|--------------------------------|
|--------------------------------|--------------------------------|
|--------------------------------|--------------------------------|