C132233133112121111331333133312111133132311233133313231331123232311   >>    C13223313311212111133133313331211113313231123313331323133112323231   <<    C132233133112121111331333133312111133132311233133313231331123232313   >>      C132233133112121111331333133312111133132311233133313231331123232312   >>