0	1	-1	-1	16	
-1	2	3	-1	17	
4	5	-1	-1	18	
-1	6	7	-1	19	
-1	8	9	-1	20	
-1	11	12	10	21	
14	15	13	-1	22	
0	1	-1	2	3	-1	16	17	
0	1	-1	4	5	-1	16	18	
-1	2	3	6	7	-1	17	19	
4	5	-1	8	9	-1	18	20	
-1	6	7	11	12	10	19	21	
-1	8	9	14	15	13	20	22	
0	1	2	3	-1	4	5	-1	16	17	18	
0	1	-1	2	3	6	7	-1	16	17	19	
0	1	-1	4	5	8	9	-1	16	18	20	
-1	2	3	6	7	11	12	10	17	19	21	
4	5	-1	8	9	14	15	13	18	20	22	
0	1	2	3	4	5	-1	6	7	-1	16	17	18	19	
0	1	2	3	-1	4	5	8	9	-1	16	17	18	20	
0	1	-1	2	3	6	7	11	12	10	16	17	19	21	
0	1	-1	4	5	8	9	14	15	13	16	18	20	22