C11112331312111112111133133313231333133313311232313231322331313321   >>    C1111233131211111211113313331323133313331331123231323132233131332   <<    C11112331312111112111133133313231333133313311232313231322331313323   >>      C11112331312111112111133133313231333133313311232313231322331313322   >>