2
3
4
5
6
7
8
9
11
11
22
33
44
55
66
77
88
99
22
22
22
33
44
55
66
77
88
99
33
33
33
33
44
55
66
77
88
99
44
44
44
44
44
55
66
77
88
99
55
55
55
55
55
55
66
77
88
99
66
66
66
66
66
66
66
77
88
99
77
77
77
77
77
77
77
77
88
99
88
88
88
88
88
88
88
88
88
99
99
99
99
99
99
99
99
99
99
99
111
111
111
111
111
111
111
111
111
111
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
333
333
333
333
333
333
333
333
333
333
444
444
444
444
444
444
444
444
444
444
555
555
555
555
555
555
555
555
555
555
666
666
666
666
666
666
666
666
666
666
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
222
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
444
444
444
444
444
444
444
444
444
444
555
555
555
555
555
555
555
555
555
555
666
666
666
666
666
666
666
666
666
666
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
333
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
555
555
555
555
555
555
555
555
555
555
666
666
666
666
666
666
666
666
666
666
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
666
666
666
666
666
666
666
666
666
666
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
555
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
666
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
777
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
888
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
999
101010
101010
101010
101010
101010
101010
101010
101010
101010
101010
1111
1111