C11111211113313112113313331333132313331322132333133313331322113121111132132311   >>    C1111121111331311211331333133313231333132213233313331333132211312111113213231   <<    C11111211113313112113313331333132313331322132333133313331322113121111132132313   >>      C11111211113313112113313331333132313331322132333133313331322113121111132132312   >>