C111123313331323113313331331121111331323132322333121111131121132321   >>    C11112331333132311331333133112111133132313232233312111113112113232   <<    C111123313331323113313331331121111331323132322333121111131121132323   >>      C111123313331323113313331331121111331323132322333121111131121132322   >>