Basic functions were implemented

To do:
- add functions to detect 'usual' combination like
0 1 0
1 0 0
0 1 0
- add functions to detect 'stars' combinations like
0 1 0
1 0 1
0 1 0
0 1 0
- add some functions to exit (or to apply another steps, like brute
force) when script can't find any more moves
- add functions for more user-friendly initialization