C11112331333132311331333133313231333131133131211113313232212331233131   >>    C1111233133313231133133313331323133313113313121111331323221233123313   <<    C11112331333132311331333133313231333131133131211113313232212331233133   >>      C11112331333132311331333133313231333131133131211113313232212331233132   >>