C1111133313331323223313331333133313331333131123313331333231123231   >>    C111113331333132322331333133313331333133313112331333133323112323   <<    C1111133313331323223313331333133313331333131123313331333231123233   >>      C1111133313331323223313331333133313331333131123313331333231123232   >>