| 摘要 |
The inventive arrangement (1) for sending messages consists of a pre-printed section and an additional section (9,11) that can be completed by hand. The pre-printed section (9) is located on a different surface from the section (11) that can be completed by hand. Both parts (9,11) can be joined to each other to form a unit by pivoting one surface towards the other. The messages are coded. The surfaces form part of a packet (2). The packet (2) consists of a cuboid with six surfaces. Messages are contained on two opposite surfaces (7,8) of the cuboid.
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