C31232233133313221211113313331333133313331212111133231333132313331311331132311   >>    C3123223313331322121111331333133313331333121211113323133313231333131133113231   <<    C31232233133313221211113313331333133313331212111133231333132313331311331132313   >>      C31232233133313221211113313331333133313331212111133231333132313331311331132312   >>