C31232233133313221211113313331333132313331322121133133313232313131   >>    C3123223313331322121111331333133313231333132212113313331323231313   <<    C31232233133313221211113313331333132313331322121133133313232313133   >>      C31232233133313221211113313331333132313331322121133133313232313132   >>