C1111233133313231133133313231333133313113313113313331331121111113313231131   >>    C111123313331323113313331323133313331311331311331333133112111111331323113   <<    C1111233133313231133133313231333133313113313113313331331121111113313231133   >>      C1111233133313231133133313231333133313113313113313331331121111113313231132   >>