C3132121111133313233121111331333133313331322331333131132132333131   >>    C313212111113331323312111133133313331333132233133313113213233313   <<    C3132121111133313233121111331333133313331322331333131132132333133   >>      C3132121111133313233121111331333133313331322331333131132132333132   >>