C1111133313331323223313331333133313331323131233132313331323123231311311   >>    C111113331333132322331333133313331333132313123313231333132312323131131   <<    C1111133313331323223313331333133313331323131233132313331323123231311313   >>      C1111133313331323223313331333133313331323131233132313331323123231311312   >>