Point 0:  6,  6
Point 13:  1,  1
Point 15: 11, 11
Point 19:  5,  5
Cell 0
  Field 0
10  11  12
 5   6   7
 0   1   2


  Field 1
10  11  12
 5   6   7
 0   1   2




Cell 1
  Field 0
12  13  14
 7   8   9
 2   3   4


  Field 1
12  13  14
 7   8   9
 2   3   4




Cell 2
  Field 0
20  21  22
15  16  17
10  11  12


  Field 1
20  21  22
15  16  17
10  11  12




Cell 3
  Field 0
22  23  24
17  18  19
12  13  14


  Field 1
22  23  24
17  18  19
12  13  14