C312312111111331312111133133313331312111112111133132322112331333133313221131   >>    C31231211111133131211113313331333131211111211113313232211233133313331322113   <<    C312312111111331312111133133313331312111112111133132322112331333133313221133   >>      C312312111111331312111133133313331312111112111133132322112331333133313221132   >>