C11122123231323131323131323132322331323331333132313331323223131   >>    C1112212323132313132313132313232233132333133313231333132322313   <<    C11122123231323131323131323132322331323331333132313331323223133   >>      C11122123231323131323131323132322331323331333132313331323223132   >>