C111122332133313231232313231313231323132322331323131121133131113231   >>    C11112233213331323123231323131323132313232233132313112113313111323   <<    C111122332133313231232313231313231323132322331323131121133131113233   >>      C111122332133313231232313231313231323132322331323131121133131113232   >>