C132233133112121111331333133313231333132333131211113313231333132233121   >>    C13223313311212111133133313331323133313233313121111331323133313223312   <<    C132233133112121111331333133313231333132333131211113313231333132233123   >>      C132233133112121111331333133313231333132333131211113313231333132233122   >>