C1111121111331311211331333133313231333132213233313331333131133132313231321   >>    C111112111133131121133133313331323133313221323331333133313113313231323132   <<    C1111121111331311211331333133313231333132213233313331333131133132313231323   >>      C1111121111331311211331333133313231333132213233313331333131133132313231322   >>