C111113331333132322331333133313331331121111121133133313211232322231211   >>    C11111333133313232233133313331333133112111112113313331321123232223121   <<    C111113331333132322331333133313331331121111121133133313211232322231213   >>      C111113331333132322331333133313331331121111121133133313211232322231212   >>