C11112331312111112111133133313231333133313331333132233131133131   >>    C1111233131211111211113313331323133313331333133313223313113313   <<    C11112331312111112111133133313231333133313331333132233131133133   >>      C11112331312111112111133133313231333133313331333132233131133132   >>