0	4	6	7	6
0	8	4	4	7
0	12	2	6	2
0	6	8	6	7
0	6	8	10	3
0	6	9	12	3
0	6	10	10	4
0	6	12	12	3
0	7	2	7	5
0	7	5	10	7
0	8	5	8	3
0	12	3	10	7