C111113331333132322331333133313331333132313131312111133133313331333112113121121   >>    C11111333133313232233133313331333133313231313131211113313331333133311211312112   <<    C111113331333132322331333133313331333132313131312111133133313331333112113121123   >>      C111113331333132322331333133313331333132313131312111133133313331333112113121122   >>