7 6 6 6 6 5 4 6 5 4 3 
Searching for 1 ... NO
Searching for 2 ... NO
Searching for 3 ... YES!
Searching for 4 ... YES!
Searching for 5 ... YES!
Searching for 6 ... YES!
Searching for 7 ... YES!
Searching for 8 ... NO
Searching for 9 ... NO
7 6 6 6 6 5 4 6 5 4 3 
remove dup...
removedup: 0x1b97150 7
7 6 6 6 6 5 4 6 5 4 3 
next: 0x1b97130 6
next: 0x1b97110 6
next: 0x1b970f0 6
next: 0x1b970d0 6
next: 0x1b970b0 5
next: 0x1b97090 4
next: 0x1b97070 6
next: 0x1b97050 5
next: 0x1b97030 4
next: 0x1b97010 3
removedup: 0x1b97130 6
7 6 6 6 6 5 4 6 5 4 3 
next: 0x1b97110 6
next: 0x1b970d0 6
next: 0x1b97090 4
next: 0x1b97070 6
next: 0x1b97030 4
next: 0x1b97010 3
removedup: 0x1b97110 6
7 6 6 5 4 5 4 3 
next: 0x1b970d0 5
next: 0x1b97090 4
next: 0x1b97070 5
next: 0x1b97030 4
next: 0x1b97010 3
removedup: 0x1b970d0 5
7 6 6 5 4 5 4 3 
next: 0x1b97090 4
next: 0x1b97070 5
next: 0x1b97010 3
removedup: 0x1b97090 4
7 6 6 5 4 4 3 
next: 0x1b97070 4
7 6 6 5 4 3