C3132121111133313233121111331333133313331322331333131132132331311   >>    C313212111113331323312111133133313331333132233133313113213233131   <<    C3132121111133313233121111331333133313331322331333131132132331313   >>      C3132121111133313233121111331333133313331322331333131132132331312   >>