C1111233133313231133133313331333132313231333121111121111332112312231   >>    C111123313331323113313331333133313231323133312111112111133211231223   <<    C1111233133313231133133313331333132313231333121111121111332112312233   >>      C1111233133313231133133313331333132313231333121111121111332112312232   >>