C111113331333132322331333133313331331121111121133133313113313331333132313211   >>    C11111333133313232233133313331333133112111112113313331311331333133313231321   <<    C111113331333132322331333133313331331121111121133133313113313331333132313213   >>      C111113331333132322331333133313331331121111121133133313113313331333132313212   >>