Hazel Screenshot Numbers

Hello,
i made a rule for screenshots. The rule has numbers for the files. 1,2,3 but when i erase 3 the next screenshot is 4 but it should be 3.
How can i tell hazel to look for the last number ?
i made a rule for screenshots. The rule has numbers for the files. 1,2,3 but when i erase 3 the next screenshot is 4 but it should be 3.
How can i tell hazel to look for the last number ?