C111113331333132322331333133313331323132313231211113313331123331311311   >>    C11111333133313232233133313331333132313231323121111331333112333131131   <<    C111113331333132322331333133313331323132313231211113313331123331311313   >>      C111113331333132322331333133313331323132313231211113313331123331311312   >>