C111123313121111121111331333133313331323132333132213231323132211   >>    C11112331312111112111133133313331333132313233313221323132313221   <<    C111123313121111121111331333133313331323132333132213231323132213   >>      C111123313121111121111331333133313331323132333132213231323132212   >>