Year and month

109247019824 <stoyan@gmx.com>

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 0 0 1 0 0 0 1 1 1 0 0 0
2022 1 0 0 0 1 0 0 0 0 0 1 1
2023 1 2 0 0 0 1 1 0 2 1 1 1
2024 0 0 1 0 0 0 0 0 0 0 0 0