C31232233133313221211113313331333132313331322121133133313232231133121   >>    C3123223313331322121111331333133313231333132212113313331323223113312   <<    C31232233133313221211113313331333132313331322121133133313232231133123   >>      C31232233133313221211113313331333132313331322121133133313232231133122   >>