simple clean up,

mark@nb:~$ cd zzz
mark@nb:~/zzz$ cd sudoku1/
mark@nb:~/zzz/sudoku1$ ls
nbactions-release-profile.xml  nbactions.xml  pom.xml  README.md  src  target
mark@nb:~/zzz/sudoku1$ java -jar target/sudoku1-1.0.jar 

 *=============*
 *   Question  *
 *=============*
 --- Sudoku 9x9 --- (start)
 . . 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . . . . 6 .
 . . . . . . . 5 .
 . 9 . 6 4 2 . 3 .
 . 7 . . . . . . .
 . 2 . . . . 4 . .
 . 8 1 . 9 . 6 . .
 . 4 . 5 8 . 9 . .
 --- Sudoku 9x9 --- (end) known cells count: 27
 009036040_008070310_007000060_000000050_090642030_070000000_020000400_081090600_040580900
 ...still in good shape


 *=============*
 *    Answer   *
 *=============*
 --- Sudoku 9x9 --- (start)
 . . 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . 2 . . 6 .
 . . . . 1 . . 5 .
 . 9 5 6 4 2 . 3 .
 . 7 . 3 5 8 . 9 .
 9 2 3 . 6 . 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 49
 009036040_008070310_007020060_000010050_095642030_070358090_923060485_581294673_746583921
 ...still in good shape


 *=============*
 *    Status   *
 *=============*
  ...still good
  ...TODO Branch

 *=============*
 *   Possible  *
 *=============*
 --- Sudoku 9x9 possible --- (start)
 row#1:{12},{15},{},{18},{},{},{2578},{},{278}
 row#2:{246},{56},{},{49},{},{59},{},{},{29}
 row#3:{134},{135},{},{1489},{},{159},{58},{},{89}
 row#4:{23468},{36},{24},{79},{},{79},{278},{},{24678}
 row#5:{18},{},{},{},{},{},{178},{},{78}
 row#6:{1246},{},{24},{},{},{},{12},{},{246}
 row#7:{},{},{},{17},{},{17},{},{},{}
 row#8:{},{},{},{},{},{},{},{},{}
 row#9:{},{},{},{},{},{},{},{},{}
 --- Sudoku 9x9 possible --- (end)  possible count:84
                                       cells count:32


 *=============*
 *   Branch    *
 *=============*
 ...cell[1]=1
 ...cell[1]=2
 ... cell#1 with assigned value 1
 ... cell#1 with assigned value 2

 *=============*
 *   Question  *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 . 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . 2 . . 6 .
 . . . . 1 . . 5 .
 . 9 5 6 4 2 . 3 .
 . 7 . 3 5 8 . 9 .
 9 2 3 . 6 . 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 50
 209036040_008070310_007020060_000010050_095642030_070358090_923060485_581294673_746583921
 ...still in good shape


 *=============*
 *    Answer   *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 . 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . 2 . . 6 .
 . . . . 1 . . 5 .
 . 9 5 6 4 2 . 3 .
 . 7 . 3 5 8 . 9 .
 9 2 3 . 6 . 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 50
 209036040_008070310_007020060_000010050_095642030_070358090_923060485_581294673_746583921
 ...still in good shape


 *=============*
 *    Status   *
 *=============*
  ...still good
  ...TODO Branch

 *=============*
 *   Possible  *
 *=============*
 --- Sudoku 9x9 possible --- (start)
 row#1:{},{15},{},{18},{},{},{578},{},{78}
 row#2:{46},{56},{},{49},{},{59},{},{},{29}
 row#3:{134},{135},{},{1489},{},{159},{58},{},{89}
 row#4:{3468},{36},{24},{79},{},{79},{278},{},{24678}
 row#5:{18},{},{},{},{},{},{178},{},{78}
 row#6:{146},{},{24},{},{},{},{12},{},{246}
 row#7:{},{},{},{17},{},{17},{},{},{}
 row#8:{},{},{},{},{},{},{},{},{}
 row#9:{},{},{},{},{},{},{},{},{}
 --- Sudoku 9x9 possible --- (end)  possible count:77
                                       cells count:31


 *=============*
 *   Branch    *
 *=============*
 ...cell[2]=1
 ...cell[2]=5
 ... cell#2 with assigned value 1
 ... cell#2 with assigned value 5

 *=============*
 *   Question  *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 5 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . 2 . . 6 .
 . . . . 1 . . 5 .
 . 9 5 6 4 2 . 3 .
 . 7 . 3 5 8 . 9 .
 9 2 3 . 6 . 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 51
 259036040_008070310_007020060_000010050_095642030_070358090_923060485_581294673_746583921
 ...still in good shape


 *=============*
 *    Answer   *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 5 9 8 3 6 7 4 7
 4 6 8 9 7 5 3 1 2
 3 1 7 4 2 5 8 6 9
 8 3 4 7 1 9 2 5 6
 . 9 5 6 4 2 1 3 8
 6 7 2 3 5 8 1 9 4
 9 2 3 1 6 7 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 80
 259836747_468975312_317425869_834719256_095642138_672358194_923167485_581294673_746583921
 xxx It's broken! xxx


 *=============*
 *    Status   *
 *=============*
 It's broken!

 *=============*
 *   Possible  *
 *=============*
 --- Sudoku 9x9 possible --- (start)
 row#1:{},{},{},{},{},{},{},{},{}
 row#2:{},{},{},{},{},{},{},{},{}
 row#3:{},{},{},{},{},{},{},{},{}
 row#4:{},{},{},{},{},{},{},{},{}
 row#5:{},{},{},{},{},{},{},{},{}
 row#6:{},{},{},{},{},{},{},{},{}
 row#7:{},{},{},{},{},{},{},{},{}
 row#8:{},{},{},{},{},{},{},{},{}
 row#9:{},{},{},{},{},{},{},{},{}
 --- Sudoku 9x9 possible --- (end)  possible count:0
                                       cells count:0


 *=============*
 *   Branch    *
 *=============*
 *** Game Over  ***
 *** xxx broken xxx  ***

 *=============*
 *   Question  *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 1 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . 2 . . 6 .
 . . . . 1 . . 5 .
 . 9 5 6 4 2 . 3 .
 . 7 . 3 5 8 . 9 .
 9 2 3 . 6 . 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 51
 219036040_008070310_007020060_000010050_095642030_070358090_923060485_581294673_746583921
 ...still in good shape


 *=============*
 *    Answer   *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 1 9 8 3 6 5 4 7
 4 6 8 9 7 5 3 1 2
 3 5 7 4 2 1 8 6 9
 8 3 4 7 1 9 2 5 6
 1 9 5 6 4 2 7 3 8
 6 7 2 3 5 8 1 9 4
 9 2 3 1 6 7 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 81
 219836547_468975312_357421869_834719256_195642738_672358194_923167485_581294673_746583921
 *** It's solved! ***


 *=============*
 *    Status   *
 *=============*

***********************************************
*   This Sudoku question has been solved!!!   *
***********************************************

 *** Game Over  ***
 *** Solved!!!  ***
 just show last try

 *=============*
 *   Question  *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 1 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . 2 . . 6 .
 . . . . 1 . . 5 .
 . 9 5 6 4 2 . 3 .
 . 7 . 3 5 8 . 9 .
 9 2 3 . 6 . 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 51
 219036040_008070310_007020060_000010050_095642030_070358090_923060485_581294673_746583921
 ...still in good shape


 *=============*
 *    Answer   *
 *=============*
 --- Sudoku 9x9 --- (start)
 2 1 9 8 3 6 5 4 7
 4 6 8 9 7 5 3 1 2
 3 5 7 4 2 1 8 6 9
 8 3 4 7 1 9 2 5 6
 1 9 5 6 4 2 7 3 8
 6 7 2 3 5 8 1 9 4
 9 2 3 1 6 7 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1
 --- Sudoku 9x9 --- (end) known cells count: 81
 219836547_468975312_357421869_834719256_195642738_672358194_923167485_581294673_746583921
 *** It's solved! ***


 *=============*
 *    Status   *
 *=============*

***********************************************
*   This Sudoku question has been solved!!!   *
***********************************************

 ...DOING show
mark@nb:~/zzz/sudoku1$
done clean up printout on SolverScoreExtDev.java
TODO clean up classes

mark@nb:~/zzz/sudoku1$ java -jar target/sudoku1-1.0.jar 530070000_600195000_098000060_800060003_400803001_700020006_060000280_000419005_000080079

 *===============*
 *    Question   *
 *===============*
 5 3 . . 7 . . . .
 6 . . 1 9 5 . . .
 . 9 8 . . . . 6 .
 8 . . . 6 . . . 3
 4 . . 8 . 3 . . 1
 7 . . . 2 . . . 6
 . 6 . . . . 2 8 .
 . . . 4 1 9 . . 5
 . . . . 8 . . 7 9

 *===============*
 *    Answer     *
 *===============*
 5 3 4 6 7 8 9 1 2
 6 7 2 1 9 5 3 4 8
 1 9 8 3 4 2 5 6 7
 8 5 9 7 6 1 4 2 3
 4 2 6 8 5 3 7 9 1
 7 1 3 9 2 4 8 5 6
 9 6 1 5 3 7 2 8 4
 2 8 7 4 1 9 6 3 5
 3 4 5 2 8 6 1 7 9



mark@nb:~/zzz/sudoku1$ java -jar target/sudoku1-1.0.jar

 *===============*
 *    Question   *
 *===============*
 . . 9 . 3 6 . 4 .
 . . 8 . 7 . 3 1 .
 . . 7 . . . . 6 .
 . . . . . . . 5 .
 . 9 . 6 4 2 . 3 .
 . 7 . . . . . . .
 . 2 . . . . 4 . .
 . 8 1 . 9 . 6 . .
 . 4 . 5 8 . 9 . .

 *===============*
 *    Answer     *
 *===============*
 2 1 9 8 3 6 5 4 7
 4 6 8 9 7 5 3 1 2
 3 5 7 4 2 1 8 6 9
 8 3 4 7 1 9 2 5 6
 1 9 5 6 4 2 7 3 8
 6 7 2 3 5 8 1 9 4
 9 2 3 1 6 7 4 8 5
 5 8 1 2 9 4 6 7 3
 7 4 6 5 8 3 9 2 1