C1111233133313231133133313331333132313231333121211111323132313231   >>    C111123313331323113313331333133313231323133312121111132313231323   <<    C1111233133313231133133313331333132313231333121211111323132313233   >>      C1111233133313231133133313331333132313231333121211111323132313232   >>