C31232233133313221211113313331333132313331323331333133313111123313331312131   >>    C3123223313331322121111331333133313231333132333133313331311112331333131213   <<    C31232233133313221211113313331333132313331323331333133313111123313331312133   >>      C31232233133313221211113313331333132313331323331333133313111123313331312132   >>