C11111211113313112113313331333132313331322113121111331322122311   >>    C1111121111331311211331333133313231333132211312111133132212231   <<    C11111211113313112113313331333132313331322113121111331322122313   >>      C11111211113313112113313331333132313331322113121111331322122312   >>