C132233133112121111331333133313231333132333131211113313222213111   >>    C13223313311212111133133313331323133313233313121111331322221311   <<    C132233133112121111331333133313231333132333131211113313222213113   >>      C132233133112121111331333133313231333132333131211113313222213112   >>