C11112331312111112111133133313331323132313232233133313231322332321   >>    C1111233131211111211113313331333132313231323223313331323132233232   <<    C11112331312111112111133133313331323132313232233133313231322332323   >>      C11112331312111112111133133313331323132313232233133313231322332322   >>