C132233133112121111331333133313231333132333131211113313232211211111   >>    C13223313311212111133133313331323133313233313121111331323221121111   <<    C132233133112121111331333133313231333132333131211113313232211211113   >>      C132233133112121111331333133313231333132333131211113313232211211112   >>