C312312111111331312111133133313331322331312111112111133121133132322331313311   >>    C31231211111133131211113313331333132233131211111211113312113313232233131331   <<    C312312111111331312111133133313331322331312111112111133121133132322331313313   >>      C312312111111331312111133133313331322331312111112111133121133132322331313312   >>