C1111233133313231133133313331333132313231333121111332233131121132311   >>    C111123313331323113313331333133313231323133312111133223313112113231   <<    C1111233133313231133133313331333132313231333121111332233131121132313   >>      C1111233133313231133133313331333132313231333121111332233131121132312   >>