C132233133112121111331333133313331333132313231332111133133321222331   >>    C13223313311212111133133313331333133313231323133211113313332122233   <<    C132233133112121111331333133313331333132313231332111133133321222333   >>      C132233133112121111331333133313331333132313231332111133133321222332   >>