i1 : symbolicForm fillingToPMMatrix({2,1}, 3)
+-----+-----------+
|+-+-+|3 +-+-+|
o1 = ||0|0||- * |0|0||
||1| ||4 |1| ||
|+-+-+| +-+-+|
+-----+-----------+
|+-+-+|3 +-+-+|
||0|1||- * |0|1||
||1| ||2 |1| ||
|+-+-+| +-+-+|
+-----+-----------+
|+-+-+|1 +-+-+|
||0|2||- * |0|1||
||1| ||2 |2| ||
|+-+-+| +-+-+|
| | +-+-+|
| |1 * |0|2||
| | |1| ||
| | +-+-+|
+-----+-----------+
|+-+-+|3 +-+-+|
||0|0||- * |0|0||
||2| ||4 |2| ||
|+-+-+| +-+-+|
+-----+-----------+
|+-+-+| +-+-+|
||0|1||1 * |0|1||
||2| || |2| ||
|+-+-+| +-+-+|
| |1 +-+-+|
| |- * |0|2||
| |2 |1| ||
| | +-+-+|
+-----+-----------+
|+-+-+|3 +-+-+|
||0|2||- * |0|2||
||2| ||2 |2| ||
|+-+-+| +-+-+|
+-----+-----------+
|+-+-+|3 +-+-+|
||1|1||- * |1|1||
||2| ||4 |2| ||
|+-+-+| +-+-+|
+-----+-----------+
|+-+-+|3 +-+-+|
||1|2||- * |1|2||
||2| ||2 |2| ||
|+-+-+| +-+-+|
+-----+-----------+
|