C11112331333132311331333131333133313231333132212111133131333131   >>    C1111233133313231133133313133313331323133313221211113313133313   <<    C11112331333132311331333131333133313231333132212111133131333133   >>      C11112331333132311331333131333133313231333132212111133131333132   >>