C1111133313331323223313331333133313331333131121133133313331333133313111111311   >>    C111113331333132322331333133313331333133313112113313331333133313331311111131   <<    C1111133313331323223313331333133313331333131121133133313331333133313111111313   >>      C1111133313331323223313331333133313331333131121133133313331333133313111111312   >>