C31232233133313221211113313331333132313331333133313331333133313233313231322311   >>    C3123223313331322121111331333133313231333133313331333133313331323331323132231   <<    C31232233133313221211113313331333132313331333133313331333133313233313231322313   >>      C31232233133313221211113313331333132313331333133313331333133313233313231322312   >>