C111123313331323113313331333133313231333133313331331121111111121   >>    C11112331333132311331333133313331323133313331333133112111111112   <<    C111123313331323113313331333133313231333133313331331121111111123   >>      C111123313331323113313331333133313231333133313331331121111111122   >>