C1111233133313231133133313331333133313231232313331333132321333311   >>    C111123313331323113313331333133313331323123231333133313232133331   <<    C1111233133313231133133313331333133313231232313331333132321333313   >>      C1111233133313231133133313331333133313231232313331333132321333312   >>