C132233133112121111331333133313231333132333131211111211113313331312111133232131   >>    C13223313311212111133133313331323133313233313121111121111331333131211113323213   <<    C132233133112121111331333133313231333132333131211111211113313331312111133232133   >>      C132233133112121111331333133313231333132333131211111211113313331312111133232132   >>