C111123313331323113313331323133313331311331311331333132313332213131   >>    C11112331333132311331333132313331333131133131133133313231333221313   <<    C111123313331323113313331323133313331311331311331333132313332213133   >>      C111123313331323113313331323133313331311331311331333132313332213132   >>