C1111233133313231133133313231333133313113313113313331333133321231   >>    C111123313331323113313331323133313331311331311331333133313332123   <<    C1111233133313231133133313231333133313113313113313331333133321233   >>      C1111233133313231133133313231333133313113313113313331333133321232   >>