C132233133112121111331333133313331333132313231332113313233211113311311   >>    C13223313311212111133133313331333133313231323133211331323321111331131   <<    C132233133112121111331333133313331333132313231332113313233211113311313   >>      C132233133112121111331333133313331333132313231332113313233211113311312   >>