C11112331333132311331333133313331312111113311212111133131122112323223313331311   >>    C1111233133313231133133313331333131211111331121211113313112211232322331333131   <<    C11112331333132311331333133313331312111113311212111133131122112323223313331313   >>      C11112331333132311331333133313331312111113311212111133131122112323223313331312   >>