C132233133112121111331333133313231333132333131211111211113323213132311   >>    C13223313311212111133133313331323133313233313121111121111332321313231   <<    C132233133112121111331333133313231333132333131211111211113323213132313   >>      C132233133112121111331333133313231333132333131211111211113323213132312   >>