C31232233133313221211113313331333133313331212111133133313233313331312313233121   >>    C3123223313331322121111331333133313331333121211113313331323331333131231323312   <<    C31232233133313221211113313331333133313331212111133133313233313331312313233123   >>      C31232233133313221211113313331333133313331212111133133313233313331312313233122   >>