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16个阶段后的结构图（包含960根牙签）：
.
. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
. | _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
. | |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |
. _ _| | _ _ _ _ _ _ _ _ _ _ _ _ _ _ | |_ _
. _| _ _| |_ _ _ _ _ _ _ _ _ _ _ _ _ _| |_ _ |_
. _| _| _| | _ _ _ _ _ _ _ _ _ _ _ _ | |_ |_ |_
. | _| |_ _| |_ _ _ _ _ _ _ _ _ _ _ _| |_ _| |_ |
. _ _ _| | _ _| | _ _ _ _ _ _ _ _ _ _ | |_ _ | |_ _ _
. | _ _ _|_| | _| |_ _ _ _ _ _ _ _ _ _| |_ | |_|_ _ _ |
. | | | _ _ _| _|_ _| _ _ _ _ _ _ _ _ |_ _|_ |_ _ _ | | |
. | | | | | _ _ _| | _| |_ _ _ _ _ _ _ _| |_ | |_ _ _ | | | | |
. | | | | | | | _ _|_| _| _ _ _ _ _ _ |_ |_|_ _ | | | | | | |
. | | | | | | | | | _ _| |_ _ _ _ _ _| |_ _ | | | | | | | | |
. | | | | | | | | | | | _ _| _ _ _ _ |_ _ | | | | | | | | | | |
. | | | | | | | | | | | | | _|_ _ _ _|_ | | | | | | | | | | | | |
. | | | | | | | | | | | | | | | _ _ | | | | | | | | | | | | | | |
. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
. | | | | | | | | | | | | | | | |_ _| | | | | | | | | | | | | | | |
. | | | | | | | | | | | | | |_|_ _ _ _|_| | | | | | | | | | | | | |
. | | | | | | | | | | | |_|_ |_ _ _ _| _|_| | | | | | | | | | | |
. | | | | | | | | | |_|_ |_ _ _ _ _ _| _|_| | | | | | | | | |
. | | | | | | | |_|_ _ |_ |_ _ _ _ _ _| _| _ _|_| | | | | | | |
. | | | | | |_|_ _ | |_ |_ _ _ _ _ _ _ _| _| | _ _|_| | | | | |
. | | | |_|_ _ |_|_ _| |_ _ _ _ _ _ _ _| |_ _|_| _ _|_| | | |
. | |_|_ _ _ | |_ |_ _ _ _ _ _ _ _ _ _| _| | _ _ _|_| |
. |_ _ _ | |_|_ | |_ _ _ _ _ _ _ _ _ _| | _|_| | _ _ _|
. | |_ |_ _ |_ _ _ _ _ _ _ _ _ _ _ _| _ _| _| |
. |_ |_ |_ | |_ _ _ _ _ _ _ _ _ _ _ _| | _| _| _|
. |_ |_ _| |_ _ _ _ _ _ _ _ _ _ _ _ _ _| |_ _| _|
. |_ _ | |_ _ _ _ _ _ _ _ _ _ _ _ _ _| | _ _|
. | |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |
. | |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |
. |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|
.
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