C313212111113331323312111133133313331333133313331312111133133313221311   >>    C31321211111333132331211113313331333133313331333131211113313331322131   <<    C313212111113331323312111133133313331333133313331312111133133313221313   >>      C313212111113331323312111133133313331333133313331312111133133313221312   >>