C31232233133313221211113313331333132313331322121133133313231313131   >>    C3123223313331322121111331333133313231333132212113313331323131313   <<    C31232233133313221211113313331333132313331322121133133313231313133   >>      C31232233133313221211113313331333132313331322121133133313231313132   >>