C1111233133313231133133313331333133311221123121111331333133313331323111311   >>    C111123313331323113313331333133313331122112312111133133313331333132311131   <<    C1111233133313231133133313331333133311221123121111331333133313331323111313   >>      C1111233133313231133133313331333133311221123121111331333133313331323111312   >>