C312312111133131212111133133313231333132313331333133313332232321   >>    C31231211113313121211113313331323133313231333133313331333223232   <<    C312312111133131212111133133313231333132313331333133313332232323   >>      C312312111133131212111133133313231333132313331333133313332232322   >>