0
1
0
1
0
1
0
1
0
1
0
1
0
3
0
1
0
1
0
1
0
1
0
3
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
绝区零 简
0
3