C1111233131211111211113313331333133313331333133313331322331333132322331333311   >>    C111123313121111121111331333133313331333133313331333132233133313232233133331   <<    C1111233131211111211113313331333133313331333133313331322331333132322331333313   >>      C1111233131211111211113313331333133313331333133313331322331333132322331333312   >>