C1111133313331323223313331333133313331333132213331333131211111311   >>    C111113331333132322331333133313331333133313221333133313121111131   <<    C1111133313331323223313331333133313331333132213331333131211111313   >>      C1111133313331323223313331333133313331333132213331333131211111312   >>