C31232233133313221211113313331333132313331322121111332212111133222121   >>    C3123223313331322121111331333133313231333132212111133221211113322212   <<    C31232233133313221211113313331333132313331322121111332212111133222123   >>      C31232233133313221211113313331333132313331322121111332212111133222122   >>