C31232233133313221211113313331333133313331212111133133311233133313331322313311   >>    C3123223313331322121111331333133313331333121211113313331123313331333132231331   <<    C31232233133313221211113313331333133313331212111133133311233133313331322313313   >>      C31232233133313221211113313331333133313331212111133133311233133313331322313312   >>