C11112331333132311331333133313231333131133131211111133131133131132233131   >>    C1111233133313231133133313331323133313113313121111113313113313113223313   <<    C11112331333132311331333133313231333131133131211111133131133131132233133   >>      C11112331333132311331333133313231333131133131211111133131133131132233132   >>