C31232233133313221211113313331333132313331323331333133313111123313331311311211   >>    C3123223313331322121111331333133313231333132333133313331311112331333131131121   <<    C31232233133313221211113313331333132313331323331333133313111123313331311311213   >>      C31232233133313221211113313331333132313331323331333133313111123313331311311212   >>