C11112331312111112111133133313331333133313132211312111133132322113311   >>    C1111233131211111211113313331333133313331313221131211113313232211331   <<    C11112331312111112111133133313331333133313132211312111133132322113313   >>      C11112331312111112111133133313331333133313132211312111133132322113312   >>