Table 1.

The numbers of short pairs formed within repetitive elements

Pair length	15	16	17	18	19	20	21	22	23	24	25
ALU	2,087,406	1,511,109	983,923	886,693	653,321	628,201	543,147	419,131	277,987	200,574	178,990
L1	27,739	9,275	7,555	2,507	3,532	1,106	1,111	757	854	531	638