C132233133112121111331333133313331333132313231332111133132233132212321   >>    C13223313311212111133133313331333133313231323133211113313223313221232   <<    C132233133112121111331333133313331333132313231332111133132233132212323   >>      C132233133112121111331333133313331333132313231332111133132233132212322   >>