C111123313331323113313331331121111331323132322333121111133312331   >>    C11112331333132311331333133112111133132313232233312111113331233   <<    C111123313331323113313331331121111331323132322333121111133312333   >>      C111123313331323113313331331121111331323132322333121111133312332   >>