C1111233133313231133133313331333133313233231133133313331121131231   >>    C111123313331323113313331333133313331323323113313331333112113123   <<    C1111233133313231133133313331333133313233231133133313331121131233   >>      C1111233133313231133133313331333133313233231133133313331121131232   >>