C31232233133313221211113313331333133313113311331333133313121111131111231   >>    C3123223313331322121111331333133313331311331133133313331312111113111123   <<    C31232233133313221211113313331333133313113311331333133313121111131111233   >>      C31232233133313221211113313331333133313113311331333133313121111131111232   >>