C111113331333132322331333133313331333132313121111331211113322333211   >>    C11111333133313232233133313331333133313231312111133121111332233321   <<    C111113331333132322331333133313331333132313121111331211113322333213   >>      C111113331333132322331333133313331333132313121111331211113322333212   >>