C111123313331323113313331331121111331323132322333121111123232321   >>    C11112331333132311331333133112111133132313232233312111112323232   <<    C111123313331323113313331331121111331323132322333121111123232323   >>      C111123313331323113313331331121111331323132322333121111123232322   >>