C1111133313331323223313331333133313331323131232313232112323132313311   >>    C111113331333132322331333133313331333132313123231323211232313231331   <<    C1111133313331323223313331333133313331323131232313232112323132313313   >>      C1111133313331323223313331333133313331323131232313232112323132313312   >>