----------------------
|xxxxt   x  xxxxxxxxx|
|xxx     x xxx   Txxx|
|xx  xx     x    xxxx|
|xx   xx xx    xxxxxx|
|xxx  xxxxxxxxxxxxxxx|
|xxx  xxx    t  xxxxx|
|xxx xxxx x xxx  xxxx|
|xxt        xxxx  xxx|
|x  xxxxxxxxxt   xxxx|
|xxxxxt    xxxx  xxxx|
|xxx  xx  xxx   xxxxx|
|xxxxx        xxxxxxx|
|H      xxxxxxxxxxxxx|
----------------------
