C1111121111331311211331333133313331333133313231333133313331323223313231321   >>    C111112111133131121133133313331333133313331323133313331333132322331323132   <<    C1111121111331311211331333133313331333133313231333133313331323223313231323   >>      C1111121111331311211331333133313331333133313231333133313331323223313231322   >>