C132233133112121111331333133313121111331333132231133131133132322223321   >>    C13223313311212111133133313331312111133133313223113313113313232222332   <<    C132233133112121111331333133313121111331333132231133131133132322223323   >>      C132233133112121111331333133313121111331333132231133131133132322223322   >>