Noneho ko uzi icyo 310 ari cyo, n'uko iperereza risa (cyangwa rishobora kumera; mu by'ukuri byose bitandukanye gato), reka turebe uko ibisubizo bishoboka bivuye mu iperereza bishobora kuba: Byasuzumwe Bidafite ishingiro Byatanzweho ishingiro, nta rukiko...