C2212123313132322331323331323113313233313331311331323223313231232333131   >>    C221212331313232233132333132311331323331333131133132322331323123233313   <<    C2212123313132322331323331323113313233313331311331323223313231232333133   >>      C2212123313132322331323331323113313233313331311331323223313231232333132   >>