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The small frame of the hierarchies is formed by four parallel metallic threads, the first three equidistant from each other, as they belong to the same family: the family of the simples; the fourth has a greater distance from the third thread and this denotes the passage to the family of the thousands. On the 1st thread, starting from the top, there are 10 green beads for the units; on the 2nd thread, 10 blue beads for the tens; on the 3rd thread, 10 red beads for the hundreds; on the 4th thread, 10 green beads for the units of thousands. On the left side of the frame are the numerical values: 1 - 10 - 100; on a grey background is the symbol for units of thousands: 1,000.