|  | C312312111111331312111133133313331333133322331323133313331323133313331333133313331333131133211311 
  >> |  | C31231211111133131211113313331333133313332233132313331333132313331333133313331333133313113321131 
  << |  | C312312111111331312111133133313331333133322331323133313331323133313331333133313331333131133211313 
  >> |  |