C313212111113331323312111133133313331333133313331333133311113311   >>    C31321211111333132331211113313331333133313331333133313331111331   <<    C313212111113331323312111133133313331333133313331333133311113313   >>      C313212111113331323312111133133313331333133313331333133311113312   >>