C111112111133131121133133313331333133313121111133313221333132313231221322132311   >>    C11111211113313112113313331333133313331312111113331322133313231323122132213231   <<    C111112111133131121133133313331333133313121111133313221333132313231221322132313   >>      C111112111133131121133133313331333133313121111133313221333132313231221322132312   >>