C11111333133313232233133313331333133313223313331323132233133331311   >>    C1111133313331323223313331333133313331322331333132313223313333131   <<    C11111333133313232233133313331333133313223313331323132233133331313   >>      C11111333133313232233133313331333133313223313331323132233133331312   >>