C1111233133313231133133313331333133313231323331333131323223313221131   >>    C111123313331323113313331333133313331323132333133313132322331322113   <<    C1111233133313231133133313331333133313231323331333131323223313221133   >>      C1111233133313231133133313331333133313231323331333131323223313221132   >>