0101110101
Yes In the figure below, the knocked-down pins are painted gray, and the standing pins are painted white:  Between the column containing a standing pin $5$ and the column containing a standing pin $6$ is a column containing Pins $3$ and $9$. Since Pins $3$ and $9$ are both knocked down, the placement is a split.
0100101001
Yes 
0000100110
No  This placement is not a split.
1101110101
No  This is not a split because Pin $1$ is not knocked down.
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