C31232233133313221211113313331333133313331212111111331311331333132233312231   >>    C3123223313331322121111331333133313331333121211111133131133133313223331223   <<    C31232233133313221211113313331333133313331212111111331311331333132233312233   >>      C31232233133313221211113313331333133313331212111111331311331333132233312232   >>