C1111233133313231133133313331333133313231232313331311331323211232313231311331   >>    C111123313331323113313331333133313331323123231333131133132321123231323131133   <<    C1111233133313231133133313331333133313231232313331311331323211232313231311333   >>      C1111233133313231133133313331333133313231232313331311331323211232313231311332   >>