C1111233133313231133133313231333133313113313113313331331121111331111121   >>    C111123313331323113313331323133313331311331311331333133112111133111112   <<    C1111233133313231133133313231333133313113313113313331331121111331111123   >>      C1111233133313231133133313231333133313113313113313331331121111331111122   >>