C31232233133313221211113313331333132313331333133313331333133313311211111313311   >>    C3123223313331322121111331333133313231333133313331333133313331331121111131331   <<    C31232233133313221211113313331333132313331333133313331333133313311211111313313   >>      C31232233133313221211113313331333132313331333133313331333133313311211111313312   >>