C31232233133313221211113313331333132313331322121111112113313113131   >>    C3123223313331322121111331333133313231333132212111111211331311313   <<    C31232233133313221211113313331333132313331322121111112113313113133   >>      C31232233133313221211113313331333132313331322121111112113313113132   >>