C132233133112121111331333133312111133132311233133313231323221231   >>    C13223313311212111133133313331211113313231123313331323132322123   <<    C132233133112121111331333133312111133132311233133313231323221233   >>      C132233133112121111331333133312111133132311233133313231323221232   >>