|  | C1111133313331323223313331333133313231333132332131333133313331313331333121111331333133311211321 
  >> |  | C111113331333132322331333133313331323133313233213133313331333131333133312111133133313331121132 
  << |  | C1111133313331323223313331333133313231333132332131333133313331313331333121111331333133311211323 
  >> |  |