C132233133112121111331333133313231333132333131211111333132313232331231   >>    C13223313311212111133133313331323133313233313121111133313231323233123   <<    C132233133112121111331333133313231333132333131211111333132313232331233   >>      C132233133112121111331333133313231333132333131211111333132313232331232   >>