C11112331333132311331333131333133313231333132212111133132313331322333231   >>    C1111233133313231133133313133313331323133313221211113313231333132233323   <<    C11112331333132311331333131333133313231333132212111133132313331322333233   >>      C11112331333132311331333131333133313231333132212111133132313331322333232   >>