C1111233133313231133133313231333133313113313113313331331121111131133113221   >>    C111123313331323113313331323133313331311331311331333133112111113113311322   <<    C1111233133313231133133313231333133313113313113313331331121111131133113223   >>      C1111233133313231133133313231333133313113313113313331331121111131133113222   >>