C111123313331323113313331331121111331323132322333121111132313111   >>    C11112331333132311331333133112111133132313232233312111113231311   <<    C111123313331323113313331331121111331323132322333121111132313113   >>      C111123313331323113313331331121111331323132322333121111132313112   >>