C11112331333132311331333133313331323132313331313331323131133132313231321   >>    C1111233133313231133133313331333132313231333131333132313113313231323132   <<    C11112331333132311331333133313331323132313331313331323131133132313231323   >>      C11112331333132311331333133313331323132313331313331323131133132313231322   >>