C132233133112121111331333133313331323133313331323133313233213231   >>    C13223313311212111133133313331333132313331333132313331323321323   <<    C132233133112121111331333133313331323133313331323133313233213233   >>      C132233133112121111331333133313331323133313331323133313233213232   >>