C31232233133313221211113313331333132313331322121133133313331333232222131   >>    C3123223313331322121111331333133313231333132212113313331333133323222213   <<    C31232233133313221211113313331333132313331322121133133313331333232222133   >>      C31232233133313221211113313331333132313331322121133133313331333232222132   >>