C3132121111133313233121111331333133313331322331333131121333112132331   >>    C313212111113331323312111133133313331333132233133313112133311213233   <<    C3132121111133313233121111331333133313331322331333131121333112132333   >>      C3132121111133313233121111331333133313331322331333131121333112132332   >>