C11112331333132311331333132313331333131133131133131122112323211331   >>    C1111233133313231133133313231333133313113313113313112211232321133   <<    C11112331333132311331333132313331333131133131133131122112323211333   >>      C11112331333132311331333132313331333131133131133131122112323211332   >>