|  | C1111233133313231133133313331333133313231312111133133313233313331333133313331333131121133121121 
  >> |  | C111123313331323113313331333133313331323131211113313331323331333133313331333133313112113312112 
  << |  | C1111233133313231133133313331333133313231312111133133313233313331333133313331333131121133121123 
  >> |  |