20 Koko reero ibyaremwe byose biriho nta byiringiro, atari ku bushaake bwabyo, ahuubwo ari ku bushaake bw’uwabikoze. Ariko hariho ibyiringiro 21 yuuko ibyaremwe ubwabyo, umunsi umwe bizaavanwa mu bubaata bw’imbaraga z’urupfu bigasangira umudendeezo w’ikuzo w’abaana b’Imaana.
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