C1111233133313231133133313331333132313231333121111121111113313331131   >>    C111123313331323113313331333133313231323133312111112111111331333113   <<    C1111233133313231133133313331333132313231333121111121111113313331133   >>      C1111233133313231133133313331333132313231333121111121111113313331132   >>