C111113331333132322331333133313331333132313131312111133133313331333112211231311   >>    C11111333133313232233133313331333133313231313131211113313331333133311221123131   <<    C111113331333132322331333133313331333132313131312111133133313331333112211231313   >>      C111113331333132322331333133313331333132313131312111133133313331333112211231312   >>