C111122332133313231232313231313231323132322331323133311221123221   >>    C11112233213331323123231323131323132313232233132313331122112322   <<    C111122332133313231232313231313231323132322331323133311221123223   >>      C111122332133313231232313231313231323132322331323133311221123222   >>