C111122332133313231232313231313231323132322331323133311221123222321   >>    C11112233213331323123231323131323132313232233132313331122112322232   <<    C111122332133313231232313231313231323132322331323133311221123222323   >>      C111122332133313231232313231313231323132322331323133311221123222322   >>