C31232233133313221211113313331333132313331333133313331333133313223133311   >>    C3123223313331322121111331333133313231333133313331333133313331322313331   <<    C31232233133313221211113313331333132313331333133313331333133313223133313   >>      C31232233133313221211113313331333132313331333133313331333133313223133312   >>