C312312111111331312111133133313331322331333133313121111331333132331331   >>    C31231211111133131211113313331333132233133313331312111133133313233133   <<    C312312111111331312111133133313331322331333133313121111331333132331333   >>      C312312111111331312111133133313331322331333133313121111331333132331332   >>