C1111233133313231133133313331333133313231323331323133313233111331   >>    C111123313331323113313331333133313331323132333132313331323311133   <<    C1111233133313231133133313331333133313231323331323133313233111333   >>      C1111233133313231133133313331333133313231323331323133313233111332   >>