C3132121111331312113313331333133313331333132313331333133313223313133231   >>    C313212111133131211331333133313331333133313231333133313331322331313323   <<    C3132121111331312113313331333133313331333132313331333133313223313133233   >>      C3132121111331312113313331333133313331333132313331333133313223313133232   >>